{"id":589605,"date":"2023-09-02T19:01:28","date_gmt":"2023-09-02T16:01:28","guid":{"rendered":"https:\/\/en.buradabiliyorum.com\/how-to-see-all-devices-on-your-network-with-nmap-on-linux\/"},"modified":"2023-09-02T19:01:28","modified_gmt":"2023-09-02T16:01:28","slug":"how-to-see-all-devices-on-your-network-with-nmap-on-linux","status":"publish","type":"post","link":"https:\/\/buradabiliyorum.com\/en\/how-to-see-all-devices-on-your-network-with-nmap-on-linux\/","title":{"rendered":"#How to See All Devices on Your Network With nmap on Linux"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_84 counter-hierarchy ez-toc-counter ez-toc-custom ez-toc-container-direction\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<label for=\"ez-toc-cssicon-toggle-item-6a23a3ca541c3\" class=\"ez-toc-cssicon-toggle-label\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #dd3333;color:#dd3333\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #dd3333;color:#dd3333\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/label><input type=\"checkbox\"  id=\"ez-toc-cssicon-toggle-item-6a23a3ca541c3\" checked aria-label=\"Toggle\" \/><nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/buradabiliyorum.com\/en\/how-to-see-all-devices-on-your-network-with-nmap-on-linux\/#Key_Takeaways\" >Key Takeaways<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/buradabiliyorum.com\/en\/how-to-see-all-devices-on-your-network-with-nmap-on-linux\/#If_You_Need_To_Install_nmap\" >If You Need To, Install nmap<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/buradabiliyorum.com\/en\/how-to-see-all-devices-on-your-network-with-nmap-on-linux\/#Find_Your_IP_Address\" >Find Your IP Address<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/buradabiliyorum.com\/en\/how-to-see-all-devices-on-your-network-with-nmap-on-linux\/#Get_Started_with_nmap\" >Get Started with nmap<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/buradabiliyorum.com\/en\/how-to-see-all-devices-on-your-network-with-nmap-on-linux\/#Perform_a_Deeper_Scan\" >Perform a Deeper Scan<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/buradabiliyorum.com\/en\/how-to-see-all-devices-on-your-network-with-nmap-on-linux\/#Weve_Lined_Up_The_Suspects_Lets_Make_Them_Talk\" >We&#8217;ve Lined Up The Suspects; Let&#8217;s Make Them Talk<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/buradabiliyorum.com\/en\/how-to-see-all-devices-on-your-network-with-nmap-on-linux\/#Unknown_Device_With_Many_Open_Ports\" >Unknown Device With Many Open Ports<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/buradabiliyorum.com\/en\/how-to-see-all-devices-on-your-network-with-nmap-on-linux\/#Sun_AnswerBook\" >Sun AnswerBook?<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/buradabiliyorum.com\/en\/how-to-see-all-devices-on-your-network-with-nmap-on-linux\/#A_Hidden_Web_Server\" >A Hidden Web Server<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/buradabiliyorum.com\/en\/how-to-see-all-devices-on-your-network-with-nmap-on-linux\/#Another_Unknown_Device\" >Another Unknown Device<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/buradabiliyorum.com\/en\/how-to-see-all-devices-on-your-network-with-nmap-on-linux\/#Elitegroup_Computer_Systems\" >Elitegroup Computer Systems<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-12\" href=\"https:\/\/buradabiliyorum.com\/en\/how-to-see-all-devices-on-your-network-with-nmap-on-linux\/#All_Accounted_For\" >All Accounted For<\/a><\/li><\/ul><\/nav><\/div>\n<div>\n<section class=\"emaki-custom-block emaki-custom-key-points\">\n<div class=\"emaki-custom key-points\" id=\"custom_block_0\">\n<h3 class=\"title icon i-list\"><span class=\"ez-toc-section\" id=\"Key_Takeaways\"><\/span>Key Takeaways<span class=\"ez-toc-section-end\"><\/span><\/h3>\n<div class=\"custom_block-content\">\n<ul>\n<li> Install nmap if you don&#8217;t already have it on your Linux computer. Run &#8220;sudo apt-get install nmap&#8221; on Ubuntu, or &#8220;sudo dnf install nmap&#8221; on Fedora. <\/li>\n<li> Use nmap to scan your network and discover the IP addresses of connected devices. You can perform a quick scan (-sn option) or a deeper scan that includes probing the ports on the devices. <\/li>\n<\/ul>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":0,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":0,\"nbrPlacementsScanned\":0,\"ruleCount\":10,\"degradationStartingPoint\":2,\"actualCount\":241} --><\/section>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":0,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":0,\"nbrPlacementsScanned\":1,\"ruleCount\":10,\"degradationStartingPoint\":2,\"actualCount\":0} --><!-- Zone: below first paragraph. --><br \/>\nThink you know what&#8217;s connected to your home network? You might be surprised. Learn how to check using <code>nmap<\/code> on Linux, which will let you explore all the devices connected to your network.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":0,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":0,\"nbrPlacementsScanned\":1,\"ruleCount\":10,\"degradationStartingPoint\":2,\"actualCount\":191} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":1,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":1,\"nbrPlacementsScanned\":1,\"ruleCount\":10,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nYou might think your home network is pretty simple, and there&#8217;s nothing to be learned from having a deeper look at it. You might be right, but the chances are you&#8217;ll learn something you didn&#8217;t know. With the proliferation of <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/en.wikipedia.org\/wiki\/Internet_of_things\">Internet of Things<\/a> devices, mobile devices such as phones and tablets, and the smart home revolution \u2014 in addition to &#8220;normal&#8221; network devices such as broadband routers, laptops, and desktop computers \u2014 it might be an eye-opener.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":1,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":1,\"nbrPlacementsScanned\":2,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":488} --><br \/>\n<!-- No winning ad found for zone: native in content! --><\/p>\n<h2 id=\"if-you-need-to-install-nmap\"><span class=\"ez-toc-section\" id=\"If_You_Need_To_Install_nmap\"><\/span> If You Need To, Install nmap <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>We&#8217;re going to use the <code>nmap<\/code>command. Depending on what other software packages you have installed on your computer, <code>nmap<\/code> might be installed for you already.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":1,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":1,\"nbrPlacementsScanned\":2,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":647} --><br \/>\nIf not, this is how to install it in Ubuntu.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":1,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":1,\"nbrPlacementsScanned\":2,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":691} --><\/p>\n<pre>sudo apt-get install nmap<\/pre>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":1,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":1,\"nbrPlacementsScanned\":2,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":716} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:8.8235294117647%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_23.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_23.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_23.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_23.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_23.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"57\" alt=\"sudo apt-get install nmap in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_23.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":1,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":1,\"nbrPlacementsScanned\":2,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":956} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":2,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":2,\"nbrPlacementsScanned\":2,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nThis is how to install it on Fedora.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":2,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":2,\"nbrPlacementsScanned\":3,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":36} --><\/p>\n<pre>sudo dnf install nmap<\/pre>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":2,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":2,\"nbrPlacementsScanned\":3,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":57} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:8.8235294117647%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"57\" alt=\"sudo dnf install nmap in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":2,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":2,\"nbrPlacementsScanned\":3,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":297} --><br \/>\nThis is how to install it on Manjaro.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":2,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":2,\"nbrPlacementsScanned\":3,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":334} --><\/p>\n<pre>sudo pacman -Syu nmap<\/pre>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":2,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":2,\"nbrPlacementsScanned\":3,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":355} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:8.8235294117647%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_5.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_5.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_5.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_5.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_5.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"57\" alt=\"sudo pacman -Syu nmap in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_5.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":2,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":2,\"nbrPlacementsScanned\":3,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":595} --><br \/>\nYou can install it on other versions of Linux using the package manager for your Linux distributions.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":2,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":2,\"nbrPlacementsScanned\":3,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":696} --><\/p>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":2,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":2,\"nbrPlacementsScanned\":3,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":696} --><\/p>\n<h2 id=\"find-your-ip-address\"><span class=\"ez-toc-section\" id=\"Find_Your_IP_Address\"><\/span> Find Your IP Address <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The first task is to discover what the IP address of your Linux computer is. There is a minimum and a maximum IP address your network can use. This is the scope or range of IP addresses for your network. We will need to provide IP addresses or a range of IP addresses to <code>nmap<\/code>, so we need to know what those values are.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":2,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":2,\"nbrPlacementsScanned\":3,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":1014} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":3,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":3,\"nbrPlacementsScanned\":3,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nHandily, Linux provides a command called <code>ip<\/code> and <a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/man7.org\/linux\/man-pages\/man8\/ip.8.html\">it has an option<\/a> called <code>addr<\/code> (address). Type <code>ip<\/code>, a space, <code>addr<\/code>, and press Enter.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":3,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":3,\"nbrPlacementsScanned\":4,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":128} --><\/p>\n<pre>ip addr<\/pre>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":3,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":3,\"nbrPlacementsScanned\":4,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":135} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:8.8235294117647%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_7.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_7.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_7.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_7.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_7.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"57\" alt=\"ip addr in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_7.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":3,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":3,\"nbrPlacementsScanned\":4,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":375} --><br \/>\nIn the bottom section of the output, you will find your ip address. It is preceded by the label &#8220;inet&#8221;.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":3,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":3,\"nbrPlacementsScanned\":4,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":488} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:54.489164086687%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_8.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_8.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_8.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_8.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_8.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"352\" alt=\"output from ip address in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_8.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":3,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":3,\"nbrPlacementsScanned\":4,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":728} --><br \/>\nThe IP address of this computer is &#8220;192.168.4.25&#8221;. The &#8220;\/24&#8221; means that there are three consecutive sets of eight 1&#8217;s in the subnet mask. (And 3 x 8 =24.)<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":3,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":3,\"nbrPlacementsScanned\":4,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":906} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":4,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":4,\"nbrPlacementsScanned\":4,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nIn binary, the subnet mask is:<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":4,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":4,\"nbrPlacementsScanned\":5,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":30} --><\/p>\n<pre>11111111.11111111.11111111.00000000<\/pre>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":4,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":4,\"nbrPlacementsScanned\":5,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":65} --><br \/>\nand in decimal, it is 255.255.255.0.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":4,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":4,\"nbrPlacementsScanned\":5,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":101} --><br \/>\nThe subnet mask and the IP address are used to indicate which part of the IP address identifies the network, and which part identifies the device. This subnet mask informs the hardware that the first three numbers of the IP address will identify the network and the last part of the IP address identifies the individual devices. And because the largest number you can hold in an 8-bit binary number is 255, the IP address range for this network will be 192.168.4.0 through to 192.168.4.255.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":4,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":4,\"nbrPlacementsScanned\":5,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":591} --><br \/>\nAll of that is encapsulated in the &#8220;\/24&#8221;. H<a href=\"https:\/\/buradabiliyorum.com\/en\/category\/download-scripts-themes-apps\/\" data-internallinksmanager029f6b8e52c=\"9\" title=\"Download Scripts &amp; Themes &amp; Apps\" target=\"_blank\" rel=\"noopener\">app<\/a>ily, <code>nmap<\/code> works with that notation, so we have what we need to start to use <code>nmap<\/code>.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":4,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":4,\"nbrPlacementsScanned\":5,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":728} --><\/p>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":4,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":4,\"nbrPlacementsScanned\":5,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":728} --><\/p>\n<h2 id=\"get-started-with-nmap\"><span class=\"ez-toc-section\" id=\"Get_Started_with_nmap\"><\/span> Get Started with nmap <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p><code>nmap<\/code> is a <a rel=\"nofollow noopener\" target=\"_blank\" href=\"http:\/\/man7.org\/linux\/man-pages\/man1\/nmap.1.html\">network mapping tool<\/a>. It works by sending various network messages to the IP addresses in the range we&#8217;re going to provide it with it. It can deduce a lot about the device it is probing by judging and interpreting the type of responses it gets.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":4,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":4,\"nbrPlacementsScanned\":5,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":986} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":5,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":5,\"nbrPlacementsScanned\":5,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nLet&#8217;s kick off a simple scan with <code>nmap<\/code>. We&#8217;re going to use the <code>-sn<\/code> (scan no port) option. This tells <code>nmap<\/code> to not probe the ports on the devices for now. It will do a lightweight, quick scan.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":5,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":5,\"nbrPlacementsScanned\":6,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":198} --><br \/>\nEven so, it can take a little time for <code>nmap<\/code> to run. Of course, the more devices you have on the network, the longer it will take. It does all of its probing and reconnaissance work first and then presents its findings once the first phase is complete. Don&#8217;t be surprised when nothing visible happens for a minute or so.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":5,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":5,\"nbrPlacementsScanned\":6,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":521} --><br \/>\nThe IP address we&#8217;re going to use is the one we obtained using the <code>ip<\/code> command earlier, but the final number is set to zero. That is the first possible IPAddress on this network. The &#8220;\/24&#8221; tells <code>nmap<\/code> to scan the entire range of this network. The parameter &#8220;192.168.4.0\/24&#8221; translates as &#8220;start at IP address 192.168.4.0 and work right through all IP addresses up to and including 192.168.4.255&#8221;.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":5,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":5,\"nbrPlacementsScanned\":6,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":949} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":6,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":6,\"nbrPlacementsScanned\":6,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nNote we are using <code>sudo<\/code>.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":6,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":6,\"nbrPlacementsScanned\":7,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":23} --><\/p>\n<pre>sudo nmap -sn 192.168.4.0\/24<\/pre>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":6,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":6,\"nbrPlacementsScanned\":7,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":51} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:8.8235294117647%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_18.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_18.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_18.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_18.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_18.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"57\" alt=\"sudo nmap -sn 192.168.4.0\/24 in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_18.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":6,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":6,\"nbrPlacementsScanned\":7,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":291} --><br \/>\nAfter a short wait, the output is written to the terminal window.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":6,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":6,\"nbrPlacementsScanned\":7,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":356} --><br \/>\nYou can run this scan without using <code>sudo<\/code>, but using <code>sudo<\/code> ensures it can extract as much information as possible. Without <code>sudo<\/code> this scan would not return the manufacturer information, for example.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":6,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":6,\"nbrPlacementsScanned\":7,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":551} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:59.133126934985%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_19.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_19.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_19.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_19.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_19.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"382\" alt=\"nmap output in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_19.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":6,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":6,\"nbrPlacementsScanned\":7,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":791} --><br \/>\nThe advantage of using the <code>-sn<\/code> option \u2014 as well as being a quick and lightweight scan \u2014 is it gives you a neat list of the live IP addresses. In other words, we have a list of the devices connected to the network, together with their IP address. And where possible, <code>nmap<\/code> has identified the manufacturer. That&#8217;s not bad for the first try.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":6,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":6,\"nbrPlacementsScanned\":7,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":1144} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":7,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":7,\"nbrPlacementsScanned\":7,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nHere&#8217;s the bottom of the list.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":7,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":7,\"nbrPlacementsScanned\":8,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":34} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:8.8235294117647%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"57\" alt=\"sudo dnf install nmap in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":7,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":7,\"nbrPlacementsScanned\":8,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":274} --><br \/>\nWe&#8217;ve established a list of the connected network devices, so we know how many of them there are. There are 15 devices switched on and connected to the network. We know the manufacturer for some of them. Or, as we shall see, we have what <code>nmap<\/code> has reported as the manufacturer, to the best of its ability.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":7,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":7,\"nbrPlacementsScanned\":8,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":582} --><br \/>\nWhen you look through your results, you will likely see devices that you recognize. There may well be some that you don&#8217;t. These are the ones we need to investigate further.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":7,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":7,\"nbrPlacementsScanned\":8,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":759} --><br \/>\nWhat some of these devices are is clear to me. Raspberry Pi Foundation is self-explanatory. The Amazon Technologies device will be my Echo Dot. The only Samsung device I have is a laser printer, so that narrows that one down. There&#8217;s a couple of devices listed as manufactured by Dell. Those are easy, that&#8217;s a PC and laptop. The Avaya device is a Voice Over IP phone that provides me with an extension on the telephone system at head office. It allows them to pester me at home more easily, so I&#8217;m well aware of that device.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":7,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":7,\"nbrPlacementsScanned\":8,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":1296} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":8,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":8,\"nbrPlacementsScanned\":8,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nBut I&#8217;m still left with questions.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":8,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":8,\"nbrPlacementsScanned\":9,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":38} --><br \/>\nThere are several devices with names that don&#8217;t mean anything to me all. Liteon <a href=\"https:\/\/buradabiliyorum.com\/en\/category\/technology\/\" data-internallinksmanager029f6b8e52c=\"4\" title=\"Technology\" target=\"_blank\" rel=\"noopener\">technology<\/a> and Elitegroup Computer systems, for example.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":8,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":8,\"nbrPlacementsScanned\":9,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":178} --><br \/>\nI have (way) more than one Raspberry PI. How many are connected to the network will always vary because they&#8217;re continually swapped in and out of duty as they get re-imaged and re-purposed. But definitely, there should be more than one showing up.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":8,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":8,\"nbrPlacementsScanned\":9,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":429} --><br \/>\nThere are a couple of devices marked as Unknown. Obviously, they&#8217;ll need looking into.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":8,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":8,\"nbrPlacementsScanned\":9,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":519} --><\/p>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":8,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":8,\"nbrPlacementsScanned\":9,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":519} --><\/p>\n<h2 id=\"perform-a-deeper-scan\"><span class=\"ez-toc-section\" id=\"Perform_a_Deeper_Scan\"><\/span> Perform a Deeper Scan <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>If we remove the <code>-sn<\/code> option <code>nmap<\/code> will also try to probe the ports on the devices. Ports are numbered endpoints for network connections on devices. Consider an apartment block. All the apartments have the same street address (the equivalent of the IP address), but each apartment has its own number (the equivalent of the port).<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":8,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":8,\"nbrPlacementsScanned\":9,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":846} --><br \/>\nEach program or service within a device has a port number. Network traffic is delivered to an IP address and a port, not just to an IP address. Some port numbers are preallocated, or reserved. They are always used to carry network traffic of a specific type. Port 22, for example, <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/en.wikipedia.org\/wiki\/List_of_TCP_and_UDP_port_numbers\">is reserved for SSH connections<\/a> and port 80 is reserved for HTTP web traffic.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":8,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":8,\"nbrPlacementsScanned\":9,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":1204} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":9,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":9,\"nbrPlacementsScanned\":9,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nWe are going to use <code>nmap<\/code> to scan the ports on each device and tells which ones are open.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":9,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":9,\"nbrPlacementsScanned\":10,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":88} --><br \/>\nnmap 192.168.4.0\/24<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":9,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":9,\"nbrPlacementsScanned\":10,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":107} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:8.8235294117647%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_11.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_11.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_11.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_11.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_11.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"57\" alt=\"nmap 192.168.4.0\/24 in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_11.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":9,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":9,\"nbrPlacementsScanned\":10,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":347} --><br \/>\nThis time we&#8217;re getting a more detailed summary of each device. We&#8217;re told there are 13 active devices on the network. Wait a minute; we had 15 devices a moment ago.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":9,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":9,\"nbrPlacementsScanned\":10,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":520} --><br \/>\nThe number of devices may well vary as you run these scans. It is likely due to mobile devices arriving and leaving the premises, or equipment being turned on and off. Also, be aware that when you switch on a device that has been powered off, it might not have the same IP address as it did the last time it was in use. it might, but it might not.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":9,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":9,\"nbrPlacementsScanned\":10,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":867} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:59.133126934985%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_31.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_31.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_31.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_31.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_31.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"382\" alt=\"nmap output in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_31.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":9,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":9,\"nbrPlacementsScanned\":10,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":1107} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":10,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":10,\"nbrPlacementsScanned\":10,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nThere was a lot of output. Let&#8217;s do that again and capture it in a file.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":10,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":10,\"nbrPlacementsScanned\":11,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":76} --><\/p>\n<pre>nmap 192.168.4.0\/24 &gt; nmap-list.txt<\/pre>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":10,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":10,\"nbrPlacementsScanned\":11,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":114} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:8.8235294117647%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_13.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_13.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_13.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_13.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_13.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img width=\"646\" class=\"lazyload\" height=\"57\" alt=\"nmap 192.168.4.0\/24 &gt; nmap-list.txt in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_13.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":10,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":10,\"nbrPlacementsScanned\":11,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":354} --><br \/>\nAnd now we can list the file with <code>less<\/code>, and search through it if we wish.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":10,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":10,\"nbrPlacementsScanned\":11,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":427} --><\/p>\n<pre>less nmap-list.txt<\/pre>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":10,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":10,\"nbrPlacementsScanned\":11,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":445} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:8.8235294117647%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_14.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_14.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_14.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_14.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_14.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"57\" alt=\"less nmap-list.txt in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_14.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":10,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":10,\"nbrPlacementsScanned\":11,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":685} --><br \/>\nAs you scroll through the <code>nmap<\/code> report you&#8217;re looking for anything that you can&#8217;t explain or that seems unusual. When you review your list, make a note of the IP addresses of any devices that you wish to investigate further.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":10,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":10,\"nbrPlacementsScanned\":11,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":916} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":11,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":11,\"nbrPlacementsScanned\":11,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nAccording to the list that we generated earlier, 192.168.4.10 is a Raspberry Pi. It will be running one Linux distribution or another. So what is using port 445? It is described as &#8220;microsoft-ds&#8221;. Microsoft, on a Pi running Linux? We&#8217;ll certainly be looking into that.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":11,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":11,\"nbrPlacementsScanned\":12,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":282} --><br \/>\n192.168.4.11 was tagged as &#8220;Unknown&#8221; in the earlier scan. It has a lot of ports open; we need to know what that is.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":11,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":11,\"nbrPlacementsScanned\":12,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":407} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:59.133126934985%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_32.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_32.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_32.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_32.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_32.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"382\" alt=\"nmap output in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_32.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":11,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":11,\"nbrPlacementsScanned\":12,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":647} --><br \/>\n192.168.4.18 was also identified as a Raspberry Pi. But that Pi and device 192.168.4.21 both have port 8888 open, which is described as being used by &#8220;sun-answerbook&#8221;. Sun AnswerBook is a many-years retired (elementary) documentation retrieval system. Needless to say, I don&#8217;t have that installed anywhere. That needs looking at.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":11,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":11,\"nbrPlacementsScanned\":12,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":990} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":12,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":12,\"nbrPlacementsScanned\":12,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:59.133126934985%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_33-1.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_33-1.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_33-1.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_33-1.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_33-1.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"382\" alt=\"nmap output in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_33-1.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":12,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":12,\"nbrPlacementsScanned\":13,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":240} --><br \/>\nDevice 192.168.4.22 was identified earlier as a Samsung printer, which is verified here by the tag that says &#8220;printer&#8221;. What caught my eye was the HTTP port 80 being present and open. This port is reserved for website traffic. Does my printer incorporate a website?<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":12,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":12,\"nbrPlacementsScanned\":13,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":515} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:59.133126934985%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_34.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_34.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_34.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_34.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_34.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"382\" alt=\"nmap results for a samsung printer in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_34.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":12,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":12,\"nbrPlacementsScanned\":13,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":755} --><br \/>\nDevice 192.168.4.31 is reportedly manufactured by a company called Elitegroup Computer Systems. I&#8217;ve never heard of them, and the device has a lot of ports open, so we&#8217;ll be looking into that.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":12,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":12,\"nbrPlacementsScanned\":13,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":955} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":13,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":13,\"nbrPlacementsScanned\":13,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nThe more ports a device has open, the more chances a cybercriminal has of getting into it \u2014 if it is exposed directly to the Internet that is. It&#8217;s like a house. The more doors and windows you have, the more potential points of entry a burglar has.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":13,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":13,\"nbrPlacementsScanned\":14,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":258} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:59.133126934985%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_36.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_36.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_36.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_36.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_36.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"382\" alt=\"nmap output for an Intel NUC in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_36.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":13,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":13,\"nbrPlacementsScanned\":14,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":498} --><\/p>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":13,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":13,\"nbrPlacementsScanned\":14,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":498} --><\/p>\n<h2 id=\"we-39-ve-lined-up-the-suspects-let-39-s-make-them-talk\"><span class=\"ez-toc-section\" id=\"Weve_Lined_Up_The_Suspects_Lets_Make_Them_Talk\"><\/span> We&#8217;ve Lined Up The Suspects; Let&#8217;s Make Them Talk <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>Device 192.168.4.10 is a Raspberry Pi that has port 445 open, which is described as &#8220;microsoft-ds.&#8221; A quick bit of Internet searching reveals that port 445 is usually associated with Samba. Samba is a <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/en.wikipedia.org\/wiki\/Server_Message_Block#Samba\">free software implementation<\/a> of Microsoft&#8217;s Server Message Block protocol (SMB). SMB is a means of sharing folders and files across a network.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":13,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":13,\"nbrPlacementsScanned\":14,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":855} --><br \/>\nThis makes sense; I use that particular Pi as a sort of mini-Network Attached Storage device (NAS). It uses Samba so that I can connect to it from any computer on my network. Ok, that was easy. One down, several more to go.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":13,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":13,\"nbrPlacementsScanned\":14,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":1078} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":14,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":14,\"nbrPlacementsScanned\":14,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><\/p>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":14,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":14,\"nbrPlacementsScanned\":15,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><\/p>\n<h2 id=\"unknown-device-with-many-open-ports\"><span class=\"ez-toc-section\" id=\"Unknown_Device_With_Many_Open_Ports\"><\/span> Unknown Device With Many Open Ports <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The device with IP Address 192.168.4.11 had an unknown manufacturer and a lot of ports open.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":14,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":14,\"nbrPlacementsScanned\":15,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":92} --><br \/>\nWe can use <code>nmap<\/code> more aggressively to try to winkle more information out of the device. The <code>-A<\/code> (aggressive scan) option forces <code>nmap<\/code> to use operating system detection, version detection, script scanning, and traceroute detection.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":14,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":14,\"nbrPlacementsScanned\":15,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":319} --><br \/>\nThe <code>-T<\/code> (timing template) option allows us to specify a value from 0 to 5. This sets one of the timing modes. The timing modes have great names: paranoid (0), sneaky (1), polite (2), normal (3), aggressive (4), and insane (5). The lower the number, the less impact <code>nmap<\/code> will have on the bandwidth and other network users.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":14,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":14,\"nbrPlacementsScanned\":15,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":639} --><br \/>\nNote that we&#8217;re not providing <code>nmap<\/code> with an IP range. We&#8217;re focussing <code>nmap<\/code> on a single IP address, which is the IP address of the device in question.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":14,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":14,\"nbrPlacementsScanned\":15,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":795} --><\/p>\n<pre>sudo nmap -A -T4 192.168.4.11<\/pre>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":14,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":14,\"nbrPlacementsScanned\":15,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":824} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:8.8235294117647%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_38.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_38.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_38.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_38.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_38.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"57\" alt=\"sudo nmap -A -T4 192.168.4.11 in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_38.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":14,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":14,\"nbrPlacementsScanned\":15,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":1064} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":15,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":15,\"nbrPlacementsScanned\":15,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nOn the machine used to research this article, it took nine minutes for <code>nmap<\/code> to execute that command. Don&#8217;t be surprised if you have to wait a while before you see any output.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":15,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":15,\"nbrPlacementsScanned\":16,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":178} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:59.133126934985%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_39.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_39.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_39.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_39.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_39.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"382\" alt=\"nmap output in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_39.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":15,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":15,\"nbrPlacementsScanned\":16,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":418} --><br \/>\nUnfortunately, in this case, the output doesn&#8217;t give us the easy answers we&#8217;d hoped for.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":15,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":15,\"nbrPlacementsScanned\":16,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":514} --><br \/>\nOne extra thing we have learned is that it is running a version of Linux. On my network that isn&#8217;t a great surprise, but this version of Linux is odd. It seems to be quite old. Linux is used within almost all of the Internet of Things devices, so that might be a clue.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":15,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":15,\"nbrPlacementsScanned\":16,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":786} --><br \/>\nFurther down in the output <code>nmap<\/code> gave us the <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/en.wikipedia.org\/wiki\/MAC_address\">Media Access Control address<\/a> (MAC address) of the device. This is a unique reference that is assigned to network interfaces.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":15,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":15,\"nbrPlacementsScanned\":16,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":954} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":16,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":16,\"nbrPlacementsScanned\":16,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nThe first three bytes of the MAC address is known as the <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/en.wikipedia.org\/wiki\/Organizationally_unique_identifier\">Organizationally Unique Identifier<\/a> (OUI). This can be used to identify the vendor or manufacturer of the network interface. If you happen to be a geek who has put together a database of 35,909 of them, that is.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":16,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":16,\"nbrPlacementsScanned\":17,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":267} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:35.139318885449%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_40.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_40.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_40.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_40.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_40.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"227\" alt=\"ms lookup for mac address of Google device in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_40.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":16,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":16,\"nbrPlacementsScanned\":17,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":507} --><br \/>\nMy utility says it belongs to Google. With the earlier question about the peculiar version of Linux and the suspicion that it might be an Internet of Things device, this points the finger fairly and squarely at my Google Home mini smart speaker.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":16,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":16,\"nbrPlacementsScanned\":17,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":752} --><br \/>\nYou can do the same sort of OUI lookup online, using the <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/www.wireshark.org\/tools\/oui-lookup.html#\">Wireshark Manufacturer Lookup page<\/a>.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":16,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":16,\"nbrPlacementsScanned\":17,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":844} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:56.568778979907%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_41-2.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_41-2.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_41-2.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_41-2.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_41-2.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"647\" class=\"lazyload\" height=\"366\" alt=\"Wireshark MAC address lookup web page\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_41-2.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":16,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":16,\"nbrPlacementsScanned\":17,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":1084} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":17,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":17,\"nbrPlacementsScanned\":17,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nEncouragingly, that matches my results.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":17,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":17,\"nbrPlacementsScanned\":18,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":39} --><br \/>\nOne way to be certain about the id of a device is to perform a scan, turn the device off and scan again. The IP address that is now missing from the second set of results will be the device you just powered off.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":17,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":17,\"nbrPlacementsScanned\":18,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":250} --><\/p>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":17,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":17,\"nbrPlacementsScanned\":18,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":250} --><\/p>\n<h2 id=\"sun-answerbook\"><span class=\"ez-toc-section\" id=\"Sun_AnswerBook\"><\/span> Sun AnswerBook? <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The next mystery was the &#8220;sun-answerbook&#8221; description for the Raspberry Pi with IP address 192.168.4.18. The same &#8220;sun-answerbook&#8221; description was showing up for the device at 192.168.4.21. Device 192.168.4.21 is a Linux desktop computer.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":17,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":17,\"nbrPlacementsScanned\":18,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":508} --><br \/>\n<code>nmap<\/code> makes its best guess at the use of a port from a list of known software associations. Of course, if any of these port associations are no longer applicable \u2014 perhaps the software is no longer in use and has gone <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/en.wikipedia.org\/wiki\/End-of-life_(product)\">end of life<\/a> \u2014 you can get misleading port descriptions in your scan results. That was likely the case here, the Sun AnswerBook system dates back to the early 1990&#8217;s, and is nothing more than a distant memory \u2014 to those who&#8217;ve even heard of it.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":17,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":17,\"nbrPlacementsScanned\":18,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":994} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":18,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":18,\"nbrPlacementsScanned\":18,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nSo, if it isn&#8217;t some ancient <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/en.wikipedia.org\/wiki\/Sun_Microsystems\">Sun Microsystems<\/a> software, so what could these two devices, the Raspberry Pi and the desktop, have in common?<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":18,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":18,\"nbrPlacementsScanned\":19,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":142} --><br \/>\nInternet searches didn&#8217;t bring anything back that was useful. There were a lot of hits. It seems anything with a web interface that doesn&#8217;t want to use port 80 seems to opt for port 8888 as a fallback. So the next logical step was to try to connect to that port using a browser.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":18,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":18,\"nbrPlacementsScanned\":19,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":428} --><br \/>\nI used 192.168.4.18:8888 as an address in my browser. This is the format to specify an IP address and a port in a browser. Use a colon <code>:<\/code> to separate the IP address from the port number.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":18,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":18,\"nbrPlacementsScanned\":19,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":613} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:51.547987616099%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_42-1.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_42-1.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_42-1.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_42-1.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_42-1.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"333\" alt=\"Resilio sync portal in a browser\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_42-1.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":18,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":18,\"nbrPlacementsScanned\":19,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":853} --><br \/>\nA web site did indeed open up.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":18,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":18,\"nbrPlacementsScanned\":19,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":883} --><br \/>\nIt is the admin portal for any devices that are running <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/www.resilio.com\/individuals-sync\/\">Resilio Sync<\/a>.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":18,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":18,\"nbrPlacementsScanned\":19,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":952} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":19,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":19,\"nbrPlacementsScanned\":19,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nI always use the command line, so I&#8217;d completely forgotten about this facility. So the Sun AnswerBook entry listing was a complete red herring, and the service behind port 8888 had been identified.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":19,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":19,\"nbrPlacementsScanned\":20,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":201} --><\/p>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":19,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":19,\"nbrPlacementsScanned\":20,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":201} --><\/p>\n<h2 id=\"a-hidden-web-server\"><span class=\"ez-toc-section\" id=\"A_Hidden_Web_Server\"><\/span> A Hidden Web Server <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The next issue I&#8217;d recorded to take a look at was the HTTP port 80 on my printer. Again, I took the IP address from the <code>nmap<\/code> results and used it as an address in my browser. I didn&#8217;t need to provide the port; the browser would default to port 80.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":19,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":19,\"nbrPlacementsScanned\":20,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":455} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:68.062015503876%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_43-1.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_43-1.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_43-1.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_43-1.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_43-1.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"645\" class=\"lazyload\" height=\"439\" alt=\"Samsung printer embedded web server in a browser window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_43-1.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":19,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":19,\"nbrPlacementsScanned\":20,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":695} --><br \/>\nLo and behold; my printer does have an embedded web server in it.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":19,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":19,\"nbrPlacementsScanned\":20,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":760} --><br \/>\nNow I can see the number of pages that have been through it, the level of toner, and other useful or interesting information.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":19,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":19,\"nbrPlacementsScanned\":20,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":885} --><\/p>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":19,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":19,\"nbrPlacementsScanned\":20,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":885} --><\/p>\n<h2 id=\"another-unknown-device\"><span class=\"ez-toc-section\" id=\"Another_Unknown_Device\"><\/span> Another Unknown Device <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The device at 192.168.4.24 didn&#8217;t reveal anything to any of the <code>nmap<\/code> scans we&#8217;ve tried so far.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":19,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":19,\"nbrPlacementsScanned\":20,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":987} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":20,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":20,\"nbrPlacementsScanned\":20,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nI added in the <code>-Pn<\/code> (no ping) option. This causes <code>nmap<\/code> to assume the target device is up and to proceed with the other scans. This can be useful for devices that don&#8217;t react as expected and confuse <code>nmap<\/code> into thinking they are off-line.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":20,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":20,\"nbrPlacementsScanned\":21,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":238} --><\/p>\n<pre>sudo nmap -A -T4 -Pn 192.168.4.24<\/pre>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":20,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":20,\"nbrPlacementsScanned\":21,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":271} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:8.8235294117647%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_44.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_44.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_44.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_44.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_44.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"57\" alt=\"sudo nmap -A -T4 -Pn 192.168.4.24 in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_44.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":20,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":20,\"nbrPlacementsScanned\":21,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":511} --><br \/>\nThis did retrieve a dump of information, but there was nothing that identified the device.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":20,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":20,\"nbrPlacementsScanned\":21,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":601} --><br \/>\nIt was reported to be running a Linux kernel from Mandriva Linux. Mandriva Linux was a distribution that was <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/en.wikipedia.org\/wiki\/Mandriva_Linux\">discontinued back in 2011<\/a>. It lives on with a new community supporting it, as <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/www.openmandriva.org\/\">OpenMandriva<\/a>.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":20,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":20,\"nbrPlacementsScanned\":21,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":801} --><br \/>\nAnother Internet of Things device, possibly? probably not \u2014 I only have two, and they&#8217;ve both been accounted for.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":20,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":20,\"nbrPlacementsScanned\":21,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":924} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":21,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":21,\"nbrPlacementsScanned\":21,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:59.133126934985%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_45.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_45.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_45.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_45.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_45.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"382\" alt=\"nmap output in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_45.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":21,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":21,\"nbrPlacementsScanned\":22,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":240} --><br \/>\nA room by room walk-through and a physical device count gained me nothing. Let&#8217;s look up the MAC address.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":21,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":21,\"nbrPlacementsScanned\":22,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":349} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:35.139318885449%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_46.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_46.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_46.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_46.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_46.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"227\" alt=\"MAC address lookup on Huawei phone\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_46.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":21,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":21,\"nbrPlacementsScanned\":22,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":589} --><br \/>\nSo, it turns out it was my mobile phone.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":21,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":21,\"nbrPlacementsScanned\":22,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":629} --><br \/>\nRemember that you can do these lookups online, using the <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/www.wireshark.org\/tools\/oui-lookup.html#\">Wireshark Manufacturer Lookup page<\/a>.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":21,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":21,\"nbrPlacementsScanned\":22,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":721} --><\/p>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":21,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":21,\"nbrPlacementsScanned\":22,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":721} --><\/p>\n<h2 id=\"elitegroup-computer-systems\"><span class=\"ez-toc-section\" id=\"Elitegroup_Computer_Systems\"><\/span> Elitegroup Computer Systems <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>The last two questions I had were about the two devices with manufacturer names that I didn&#8217;t recognize, namely Liteon and Elitegroup Computer Systems.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":21,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":21,\"nbrPlacementsScanned\":22,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":876} --><br \/>\nLet&#8217;s change tack. Another command that is useful in pinning down the identity of the devices on your network is <code>arp<\/code>. <code>arp<\/code> is used to work with the Address Resolution Protocol table in your Linux computer. It is used to translate from an <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/en.wikipedia.org\/wiki\/Address_Resolution_Protocol\">IP address (or network name) to a MAC address<\/a>.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":21,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":21,\"nbrPlacementsScanned\":22,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":1163} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":22,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":22,\"nbrPlacementsScanned\":22,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nIf <code>arp<\/code> is not installed on your computer, you can install it like this.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":22,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":22,\"nbrPlacementsScanned\":23,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":71} --><br \/>\nOn Ubuntu, use <code>apt-get<\/code> :<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":22,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":22,\"nbrPlacementsScanned\":23,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":95} --><\/p>\n<pre>sudo apt-get install net-tools<\/pre>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":22,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":22,\"nbrPlacementsScanned\":23,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":125} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:8.8235294117647%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"57\" alt=\"sudo dnf install nmap in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_2.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":22,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":22,\"nbrPlacementsScanned\":23,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":365} --><br \/>\nOn Fedora use <code>dnf<\/code> :<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":22,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":22,\"nbrPlacementsScanned\":23,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":384} --><\/p>\n<pre>sudo dnf install net-tools<\/pre>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":22,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":22,\"nbrPlacementsScanned\":23,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":410} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:8.8235294117647%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_1-1.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_1-1.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_1-1.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_1-1.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_1-1.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"57\" alt=\"sudo dnf install net-tools in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_1-1.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":22,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":22,\"nbrPlacementsScanned\":23,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":650} --><br \/>\nOn Manjaro use <code>pacman<\/code> :<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":22,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":22,\"nbrPlacementsScanned\":23,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":673} --><\/p>\n<pre>sudo pacman -Syu net-tools<\/pre>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":22,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":22,\"nbrPlacementsScanned\":23,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":699} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:8.8235294117647%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_4-1.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_4-1.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_4-1.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_4-1.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_4-1.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"57\" alt=\"sudo pacman -Syu net-tools in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_4-1.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":22,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":22,\"nbrPlacementsScanned\":23,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":939} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":23,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":23,\"nbrPlacementsScanned\":23,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nTo get a list of the devices and their network names \u2014 if they&#8217;ve been assigned one \u2014 just type <code>arp<\/code> and press Enter.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":23,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":23,\"nbrPlacementsScanned\":24,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":132} --><br \/>\nThis is the output from my research machine:<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":23,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":23,\"nbrPlacementsScanned\":24,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":176} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:54.489164086687%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_16.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_16.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_16.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_16.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_16.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"352\" alt=\"arp output in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_16.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":23,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":23,\"nbrPlacementsScanned\":24,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":416} --><br \/>\nThe names in the first column are the machine names (also called hostnames or network names) that have been assigned to the devices. Some of them I have set (<a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/en.wikipedia.org\/wiki\/Alien_(film)#Spaceships_and_planets\">Nostromo<\/a>, <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/en.wikipedia.org\/wiki\/Cloudbase\">Cloudbase<\/a>, and <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/en.wikipedia.org\/wiki\/Stingray_(1964_TV_series)\">Marineville<\/a>, for example) and some have been set by the manufacturer (such as Vigor.router).<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":23,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":23,\"nbrPlacementsScanned\":24,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":691} --><br \/>\nThe output gives us two means of cross-referencing it with the output from <code>nmap<\/code>. Because the MAC addresses for the devices are listed, we can refer to the output from <code>nmap<\/code> to further identify the devices.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":23,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":23,\"nbrPlacementsScanned\":24,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":895} --><br \/>\nAlso, because you can use a machine name with <code>ping<\/code> and because <code>ping<\/code> displays the underlying IP address, you can cross-reference machine names to IP addresses by using <code>ping<\/code> on each name in turn.<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":23,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":23,\"nbrPlacementsScanned\":24,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":1088} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":24,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":24,\"nbrPlacementsScanned\":24,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nFor example, let&#8217;s ping Nostromo.local and find out what its IP address is. Note that machine names are case-insensitive.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":24,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":24,\"nbrPlacementsScanned\":25,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":125} --><\/p>\n<pre>ping nostromo.local<\/pre>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":24,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":24,\"nbrPlacementsScanned\":25,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":144} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:8.8235294117647%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_47.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_47.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_47.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_47.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_47.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"57\" alt=\"ping nostromo.local in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_47.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":24,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":24,\"nbrPlacementsScanned\":25,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":384} --><br \/>\nYou must use Ctrl+C to stop <code>ping<\/code>.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":24,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":24,\"nbrPlacementsScanned\":25,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":417} --><\/p>\n<div class=\"body-img landscape\">\n<div class=\"responsive-img image-expandable img-article-item\" style=\"padding-bottom:54.489164086687%\" data-img-url=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_48.png\" data-modal-id=\"single-image-modal\" data-modal-container-id=\"single-image-modal-container\" data-img-caption=\"null\">\n<figure><picture><!--[if IE 9]> <video style=\"display: none;\"><![endif]--><source media=\"(min-width: 1024px)\" sizes=\"750px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_48.png?q=50&amp;fit=crop&amp;w=750&amp;dpr=1.5\"\/><source media=\"(min-width: 768px)\" sizes=\"943px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_48.png?q=50&amp;fit=crop&amp;w=943&amp;dpr=1.5\"\/><source media=\"(min-width: 481px)\" sizes=\"767px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_48.png?q=50&amp;fit=crop&amp;w=767&amp;dpr=1.5\"\/><source media=\"(min-width: 0px)\" sizes=\"480px\" data-srcset=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_48.png?q=50&amp;fit=crop&amp;w=480&amp;dpr=1.5\"\/><!--[if IE 9]><\/video><![endif]--><img loading=\"lazy\" decoding=\"async\" width=\"646\" class=\"lazyload\" height=\"352\" alt=\"ping output in a terminal window\" style=\"display:block;height:auto;max-width:100%;\" src=\"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2019\/06\/nmap_48.png\"\/><\/picture><\/figure>\n<\/div><\/div>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":24,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":24,\"nbrPlacementsScanned\":25,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":657} --><br \/>\nThe output shows us that its Ip address is 192.168.4.15. And that happens to be the device that showed up in the first <code>nmap<\/code> scan with Liteon as the manufacturer.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":24,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":24,\"nbrPlacementsScanned\":25,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":818} --><br \/>\nThe Liteon company makes computer components that are used by a great many computer manufacturers. In this case, it is a Liteon Wi-Fi card inside an Asus laptop. So, as we noted earlier, the name of the manufacturer that is returned by <code>nmap<\/code> is just its best guess. How was <code>nmap<\/code> to know the Liteon Wi-Fi card was fitted to an Asus laptop?<br \/>\n<!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":24,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":24,\"nbrPlacementsScanned\":25,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":1155} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":25,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":25,\"nbrPlacementsScanned\":25,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\nAnd finally. The MAC address for the device manufactured by Elitegroup Computer Systems matches the one in the <code>arp<\/code> listing for the device I have named LibreELEC.local.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":25,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":25,\"nbrPlacementsScanned\":26,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":167} --><br \/>\nThis is an <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/www.intel.co.uk\/content\/www\/uk\/en\/products\/boards-kits\/nuc.html\">Intel NUC<\/a>, running the <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/libreelec.tv\/\">LibreELEC media player<\/a>. So this NUC has a motherboard from the Elitegroup Computer Systems company.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":25,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":25,\"nbrPlacementsScanned\":26,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":300} --><br \/>\nAnd there we are, all mysteries solved.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":25,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":25,\"nbrPlacementsScanned\":26,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":339} --><\/p>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":25,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":25,\"nbrPlacementsScanned\":26,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":339} --><\/p>\n<h2 id=\"all-accounted-for\"><span class=\"ez-toc-section\" id=\"All_Accounted_For\"><\/span> All Accounted For <span class=\"ez-toc-section-end\"><\/span><\/h2>\n<p>We have verified that there are no inexplicable devices on this network. You can use the techniques described here to investigate your network either. You may do this out of interest \u2014 to satisfy your inner geek \u2014 or to satisfy yourself that everything connected to your network has a right to be there.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":25,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":25,\"nbrPlacementsScanned\":26,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":654} --><br \/>\nRemember that connected devices come in all shapes and sizes. I spent some time going around in circles and trying to track down a strange device before realizing that it was, in fact, the smartwatch on my wrist.<br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":25,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":25,\"nbrPlacementsScanned\":26,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":866} --><\/p>\n<p><!-- Repeatable debug data: {\"injection\":\"before\",\"adPosition\":25,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":25,\"nbrPlacementsScanned\":26,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":1186} --><!-- Zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"after\",\"adPosition\":26,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":26,\"nbrPlacementsScanned\":26,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":0} --><br \/>\n<strong>RELATED:<\/strong> <em><strong>Best Linux Laptops for Developers and Enthusiasts<\/strong><\/em><br \/>\n<!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":26,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":26,\"nbrPlacementsScanned\":27,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":58} --><\/p>\n<p><!-- No repeatable ad for zone: character count repeatable. --><!-- Repeatable debug data: {\"injection\":\"none\",\"adPosition\":26,\"startingPoint\":1,\"skipEvery\":null,\"nbrPlacementFilledEachSkip\":26,\"nbrPlacementsScanned\":27,\"ruleCount\":900,\"degradationStartingPoint\":2,\"actualCount\":59} --><\/div>\n<blockquote><p><strong><span style=\"color: #ff6600;\">If you liked the article, do not forget to share it with your friends. Follow us on\u00a0<span style=\"color: #ff0000;\"><a style=\"color: #ff0000;\" href=\"https:\/\/news.google.com\/publications\/CAAqBwgKMLG0nwswvr63Aw\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Google News<\/a><\/span>\u00a0too, click on the star and choose us from your favorites.<\/span><\/strong><\/p><\/blockquote>\n<blockquote>\n<p style=\"text-align: center;\">For forums sites go to <span style=\"color: #ff9900;\"><a style=\"color: #ff9900;\" href=\"https:\/\/forum.buradabiliyorum.com\/\" target=\"_blank\" rel=\"noopener\">Forum.BuradaBiliyorum.Com<\/a><\/span><\/strong><\/p>\n<\/blockquote>\n<blockquote>\n<p style=\"text-align: center;\"><strong>If you want to read more like this article, you can visit our <span style=\"color: #ff9900;\"><a style=\"color: #ff9900;\" href=\"https:\/\/en.buradabiliyorum.com\/technology\/\" target=\"_blank\" rel=\"noopener\">Technology category.<\/a><\/span><\/strong><\/p>\n<\/blockquote>\n<p><span style=\"color: black;\"><a style=\"color: #ff9900;\" href=\"https:\/\/www.howtogeek.com\/423709\/how-to-see-all-devices-on-your-network-with-nmap-on-linux\/\" target=\"_blank\" rel=\"noopener\">Source<\/a><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key Takeaways Install nmap if you don&#8217;t already have it on your Linux computer. Run &#8220;sudo apt-get install nmap&#8221; on Ubuntu, or &#8220;sudo dnf install nmap&#8221; on Fedora. Use nmap to scan your network and discover the IP addresses of connected devices. You can perform a quick scan (-sn option) or a deeper scan that&#8230;<\/p>\n","protected":false},"author":1,"featured_media":589606,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"https:\/\/static1.howtogeekimages.com\/wordpress\/wp-content\/uploads\/2023\/09\/52848912564_6cae6ce5f4_o.jpg","fifu_image_alt":"","footnotes":""},"categories":[18],"tags":[],"class_list":["post-589605","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-technology"],"_links":{"self":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/589605","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/comments?post=589605"}],"version-history":[{"count":0,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/posts\/589605\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media\/589606"}],"wp:attachment":[{"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/media?parent=589605"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/categories?post=589605"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/buradabiliyorum.com\/en\/wp-json\/wp\/v2\/tags?post=589605"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}