{"id":835,"date":"2022-11-13T11:44:27","date_gmt":"2022-11-13T10:44:27","guid":{"rendered":"https:\/\/www.cipv6.de\/worp\/?p=835"},"modified":"2024-12-16T10:32:09","modified_gmt":"2024-12-16T09:32:09","slug":"ubuntu-remove-ipv4-protocol-from-ethernet-interface","status":"publish","type":"post","link":"https:\/\/www.cipv6.de\/worp\/index.php\/2022\/11\/13\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\/","title":{"rendered":"Ubuntu: remove ipv4-protocol from ethernet interface"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">On my Ubuntu-host I have my ethernet-interface connected to an mirror-port.<br>I want to remove the ipv4-protocol from this interface to avoid unnecessary traffic on this interface.<br><br>With root-rights execute &#8220;nmcli connection show &#8211;active&#8221;:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">ugu5ma nmcli connection show --active\nNAME             UUID                                  TYPE      DEVICE          \nFleischele2      8877f4c8-b38d-4028-a71d-b237d8ff649e  wifi      wlp3s0          \nbr-5bece4d6fbd8  3a34eddc-2c98-4140-9b40-74bcd355cde4  bridge    br-5bece4d6fbd8 \ndocker0          8de484ba-00e4-4130-b629-0037e3b00015  bridge    docker0         \nenp6s0           57bc44f6-5190-42b2-b17f-e928868a42c0  ethernet  enp6s0 <\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">my ethernet-interface (enp6s0) has UUID 57bc44f6-5190-42b2-b17f-e928868a42c0.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Let&#8217;s remove ipv4 :<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">ugu5ma nmcli connection modify 57bc44f6-5190-42b2-b17f-e928868a42c0 ipv4.method disabled<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Check again:<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code lang=\"bash\" class=\"language-bash\">\u279c  ugu5ma nmcli connection show --active                                                   \nNAME         UUID                                  TYPE  DEVICE \nFleischele2  8877f4c8-b38d-4028-a71d-b237d8ff649e  wifi  wlp3s0 <\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">done!<\/p>\n","protected":false},"excerpt":{"rendered":"<p>On my Ubuntu-host I have my ethernet-interface connected to an mirror-port.I want to remove the ipv4-protocol from this interface to avoid unnecessary traffic on this interface.With root-rights execute &#8220;nmcli connection show &#8211;active&#8221;: my ethernet-interface (enp6s0) has UUID 57bc44f6-5190-42b2-b17f-e928868a42c0. Let&#8217;s remove ipv4 : Check again: done!<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"template-page-builder.php","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[61],"tags":[51],"class_list":["post-835","post","type-post","status-publish","format-standard","hentry","category-linux","tag-linux"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Ubuntu: remove ipv4-protocol from ethernet interface - cipv6.de<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.cipv6.de\/worp\/index.php\/2022\/11\/13\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ubuntu: remove ipv4-protocol from ethernet interface - cipv6.de\" \/>\n<meta property=\"og:description\" content=\"On my Ubuntu-host I have my ethernet-interface connected to an mirror-port.I want to remove the ipv4-protocol from this interface to avoid unnecessary traffic on this interface. With root-rights execute &#8220;nmcli connection show &#8211;active&#8221;: my ethernet-interface (enp6s0) has UUID 57bc44f6-5190-42b2-b17f-e928868a42c0. Let&#8217;s remove ipv4 : Check again: done!\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.cipv6.de\/worp\/index.php\/2022\/11\/13\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\/\" \/>\n<meta property=\"og:site_name\" content=\"cipv6.de\" \/>\n<meta property=\"article:published_time\" content=\"2022-11-13T10:44:27+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-12-16T09:32:09+00:00\" \/>\n<meta name=\"author\" content=\"ugu5ma\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@ugu5ma\" \/>\n<meta name=\"twitter:site\" content=\"@ugu5ma\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"ugu5ma\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.cipv6.de\\\/worp\\\/index.php\\\/2022\\\/11\\\/13\\\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.cipv6.de\\\/worp\\\/index.php\\\/2022\\\/11\\\/13\\\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\\\/\"},\"author\":{\"name\":\"ugu5ma\",\"@id\":\"https:\\\/\\\/www.cipv6.de\\\/worp\\\/#\\\/schema\\\/person\\\/5d62b275485540be9e5e9e33d4fab86d\"},\"headline\":\"Ubuntu: remove ipv4-protocol from ethernet interface\",\"datePublished\":\"2022-11-13T10:44:27+00:00\",\"dateModified\":\"2024-12-16T09:32:09+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.cipv6.de\\\/worp\\\/index.php\\\/2022\\\/11\\\/13\\\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\\\/\"},\"wordCount\":64,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\\\/\\\/www.cipv6.de\\\/worp\\\/#\\\/schema\\\/person\\\/5d62b275485540be9e5e9e33d4fab86d\"},\"keywords\":[\"Linux\"],\"articleSection\":[\"Linux\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.cipv6.de\\\/worp\\\/index.php\\\/2022\\\/11\\\/13\\\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.cipv6.de\\\/worp\\\/index.php\\\/2022\\\/11\\\/13\\\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\\\/\",\"url\":\"https:\\\/\\\/www.cipv6.de\\\/worp\\\/index.php\\\/2022\\\/11\\\/13\\\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\\\/\",\"name\":\"Ubuntu: remove ipv4-protocol from ethernet interface - 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With root-rights execute &#8220;nmcli connection show &#8211;active&#8221;: my ethernet-interface (enp6s0) has UUID 57bc44f6-5190-42b2-b17f-e928868a42c0. Let&#8217;s remove ipv4 : Check again: done!","og_url":"https:\/\/www.cipv6.de\/worp\/index.php\/2022\/11\/13\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\/","og_site_name":"cipv6.de","article_published_time":"2022-11-13T10:44:27+00:00","article_modified_time":"2024-12-16T09:32:09+00:00","author":"ugu5ma","twitter_card":"summary_large_image","twitter_creator":"@ugu5ma","twitter_site":"@ugu5ma","twitter_misc":{"Written by":"ugu5ma","Est. reading time":"1 minute"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.cipv6.de\/worp\/index.php\/2022\/11\/13\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\/#article","isPartOf":{"@id":"https:\/\/www.cipv6.de\/worp\/index.php\/2022\/11\/13\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\/"},"author":{"name":"ugu5ma","@id":"https:\/\/www.cipv6.de\/worp\/#\/schema\/person\/5d62b275485540be9e5e9e33d4fab86d"},"headline":"Ubuntu: remove ipv4-protocol from ethernet interface","datePublished":"2022-11-13T10:44:27+00:00","dateModified":"2024-12-16T09:32:09+00:00","mainEntityOfPage":{"@id":"https:\/\/www.cipv6.de\/worp\/index.php\/2022\/11\/13\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\/"},"wordCount":64,"commentCount":0,"publisher":{"@id":"https:\/\/www.cipv6.de\/worp\/#\/schema\/person\/5d62b275485540be9e5e9e33d4fab86d"},"keywords":["Linux"],"articleSection":["Linux"],"inLanguage":"en-US","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.cipv6.de\/worp\/index.php\/2022\/11\/13\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.cipv6.de\/worp\/index.php\/2022\/11\/13\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\/","url":"https:\/\/www.cipv6.de\/worp\/index.php\/2022\/11\/13\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\/","name":"Ubuntu: remove ipv4-protocol from ethernet interface - cipv6.de","isPartOf":{"@id":"https:\/\/www.cipv6.de\/worp\/#website"},"datePublished":"2022-11-13T10:44:27+00:00","dateModified":"2024-12-16T09:32:09+00:00","breadcrumb":{"@id":"https:\/\/www.cipv6.de\/worp\/index.php\/2022\/11\/13\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.cipv6.de\/worp\/index.php\/2022\/11\/13\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/www.cipv6.de\/worp\/index.php\/2022\/11\/13\/ubuntu-remove-ipv4-protocol-from-ethernet-interface\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.cipv6.de\/worp\/"},{"@type":"ListItem","position":2,"name":"Ubuntu: remove ipv4-protocol from ethernet interface"}]},{"@type":"WebSite","@id":"https:\/\/www.cipv6.de\/worp\/#website","url":"https:\/\/www.cipv6.de\/worp\/","name":"cipv6.de","description":"","publisher":{"@id":"https:\/\/www.cipv6.de\/worp\/#\/schema\/person\/5d62b275485540be9e5e9e33d4fab86d"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.cipv6.de\/worp\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":["Person","Organization"],"@id":"https:\/\/www.cipv6.de\/worp\/#\/schema\/person\/5d62b275485540be9e5e9e33d4fab86d","name":"ugu5ma","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/secure.gravatar.com\/avatar\/7211dd31d32612293e4228c8f880721a803dcc15211868f096ea9a8e77b6f316?s=96&d=mm&r=g","url":"https:\/\/secure.gravatar.com\/avatar\/7211dd31d32612293e4228c8f880721a803dcc15211868f096ea9a8e77b6f316?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/7211dd31d32612293e4228c8f880721a803dcc15211868f096ea9a8e77b6f316?s=96&d=mm&r=g","caption":"ugu5ma"},"logo":{"@id":"https:\/\/secure.gravatar.com\/avatar\/7211dd31d32612293e4228c8f880721a803dcc15211868f096ea9a8e77b6f316?s=96&d=mm&r=g"},"sameAs":["https:\/\/cipv6.de"]}]}},"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p9uBTs-dt","jetpack-related-posts":[{"id":1279,"url":"https:\/\/www.cipv6.de\/worp\/index.php\/2025\/02\/25\/secure-networking-with-hub-and-spoke-topology-using-wireguard-and-ebgp\/","url_meta":{"origin":835,"position":0},"title":"Secure Networking with Hub-and-Spoke Topology Using WireGuard and eBGP","author":"ugu5ma","date":"February 25, 2025","format":false,"excerpt":"Free Range Routing (FRR)\u00a0is a powerful, open-source routing software suite that provides implementations of various routing protocols, including BGP, OSPF, IS-IS, RIP, PIM, and more. It\u2019s designed to run on Linux and Unix-like systems, making it a flexible solution for a wide range of network setups\u2014from small labs to large-scale\u2026","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2025\/02\/VPN-BGP-WireGuard-topology.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2025\/02\/VPN-BGP-WireGuard-topology.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2025\/02\/VPN-BGP-WireGuard-topology.jpg?fit=1024%2C1024&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2025\/02\/VPN-BGP-WireGuard-topology.jpg?fit=1024%2C1024&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":939,"url":"https:\/\/www.cipv6.de\/worp\/index.php\/2024\/08\/26\/duplicati-rpi-setup-on-64-bit-ubuntu-os-jammy-22-04\/","url_meta":{"origin":835,"position":1},"title":"Duplicati RPi setup on 64-bit Ubuntu OS Jammy (22.04)","author":"ugu5ma","date":"August 26, 2024","format":false,"excerpt":"Setting up Duplicati on Ubuntu Jammy (22.04) for Raspberry Pi (RPI) is a great way to ensure your data is securely backed up. Duplicati is a free, open-source backup solution that allows you to store encrypted, incremental, and compressed backups on various cloud storage services and remote file servers.\u00a0It supports\u2026","rel":"","context":"In &quot;Linux&quot;","block_context":{"text":"Linux","link":"https:\/\/www.cipv6.de\/worp\/index.php\/category\/linux\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2024\/08\/CleanShot-2024-08-26-at-11.43.33%402x.png?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2024\/08\/CleanShot-2024-08-26-at-11.43.33%402x.png?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2024\/08\/CleanShot-2024-08-26-at-11.43.33%402x.png?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2024\/08\/CleanShot-2024-08-26-at-11.43.33%402x.png?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2024\/08\/CleanShot-2024-08-26-at-11.43.33%402x.png?resize=1050%2C600&ssl=1 3x"},"classes":[]},{"id":1335,"url":"https:\/\/www.cipv6.de\/worp\/index.php\/2025\/05\/04\/tmux-beats-disown-for-persistent-ssh-sessions\/","url_meta":{"origin":835,"position":2},"title":"tmux Beats disown for Persistent SSH Sessions","author":"ugu5ma","date":"May 4, 2025","format":false,"excerpt":"Why Terminal Session Persistence Matters Imagine this: you SSH into your server to launch a data backup that takes a couple of hours. Halfway through, your internet connection drops \u2014 and with it, the SSH session. When you reconnect, the process is gone. You have to start all over again,\u2026","rel":"","context":"In &quot;Linux&quot;","block_context":{"text":"Linux","link":"https:\/\/www.cipv6.de\/worp\/index.php\/category\/linux\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2025\/05\/tmuxdisown.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2025\/05\/tmuxdisown.jpg?fit=1024%2C1024&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2025\/05\/tmuxdisown.jpg?fit=1024%2C1024&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2025\/05\/tmuxdisown.jpg?fit=1024%2C1024&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":1036,"url":"https:\/\/www.cipv6.de\/worp\/index.php\/2024\/11\/24\/do-you-use-nftables-or-iptables-or-both\/","url_meta":{"origin":835,"position":3},"title":"Do you use NFTables or IPTables (or both) ?","author":"ugu5ma","date":"November 24, 2024","format":false,"excerpt":"Most major Linux distributions have adopted nftables as their default firewall framework, often using it under the hood for iptables commands. Here are some of the key distributions that support nftables: Debian: Starting with Debian Buster, nftables is the default backend for iptables. Ubuntu: From Ubuntu 20.10 (Groovy Gorilla) onwards,\u2026","rel":"","context":"In &quot;Linux&quot;","block_context":{"text":"Linux","link":"https:\/\/www.cipv6.de\/worp\/index.php\/category\/linux\/"},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2024\/11\/photo_2024-11-24-12.36.11.jpeg?fit=1024%2C1024&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2024\/11\/photo_2024-11-24-12.36.11.jpeg?fit=1024%2C1024&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2024\/11\/photo_2024-11-24-12.36.11.jpeg?fit=1024%2C1024&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/www.cipv6.de\/worp\/wp-content\/uploads\/2024\/11\/photo_2024-11-24-12.36.11.jpeg?fit=1024%2C1024&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":1018,"url":"https:\/\/www.cipv6.de\/worp\/index.php\/2024\/11\/15\/macos-streamline-your-app-management-with-mas\/","url_meta":{"origin":835,"position":4},"title":"MacOS: Streamline Your App Management with MAS","author":"ugu5ma","date":"November 15, 2024","format":false,"excerpt":"Managing apps on your Mac can sometimes feel like a chore, especially when you have to manually update, install, or remove them. Enter MAS (Mac App Store command line interface), a powerful tool that simplifies these tasks and more. 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It provides detailed information about the server's configuration, supported algorithms, and potential vulnerabilities. In this guide, I'll walk you through the steps to install ssh-audit and run your first security tests. 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