{"id":6887,"date":"2024-04-24T21:07:47","date_gmt":"2024-04-24T19:07:47","guid":{"rendered":"https:\/\/www.sigalou-domotique.fr\/?p=6887"},"modified":"2026-01-02T16:56:17","modified_gmt":"2026-01-02T14:56:17","slug":"je-bloque-le-ping-de-son-adresse-ip","status":"publish","type":"post","link":"https:\/\/www.sigalou-domotique.fr\/en\/je-bloque-le-ping-de-son-adresse-ip","title":{"rendered":"I block the ping of his IP address (ICMP)"},"content":{"rendered":"<p>To identify future victims on the web, hackers quite naturally try to check if the IP exists and if any equipment is behind it.<\/p>\r\n<p>To verify this, the simplest is a ping of the IP address.<\/p>\r\n<p>I have a Free Fixed IP and I am a potential victim if I get spotted. This also depends on the port redirects I will set on my router (if I want to view my IP cameras from the outside, access Home Assistant, Jeedom, if I host my website, \u2026)<!--more--><\/p>\r\n<h2>I check if my IP ping from outside<\/h2>\r\n<p>For this, very simple, it is enough to have a site that pings, I am used to using this one, archi-simple:<\/p>\r\n<ul>\r\n<li><a href=\"https:\/\/ping.eu\/ping\/\" target=\"_blank\" rel=\"noopener\">https:\/\/ping.eu\/ping\/<\/a><\/li>\r\n<\/ul>\r\n<p><a href=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/ping-1.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6890\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/ping-1.png\" alt=\"\" width=\"910\" height=\"416\" srcset=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/ping-1.png 910w, https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/ping-1-600x274.png 600w, https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/ping-1-300x137.png 300w, https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/ping-1-768x351.png 768w\" sizes=\"auto, (max-width: 910px) 100vw, 910px\" \/><\/a><\/p>\r\n<p>My IP is written in blue at the top in the middle, I copy it into the IP address box, I copy the code and I click Go.<\/p>\r\n<p><a href=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/ping2.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6892\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/ping2.png\" alt=\"\" width=\"230\" height=\"86\" \/><\/a><\/p>\r\n<p>It\u2019s perfect, 100% of the lost packets is that the ping did not work, <strong>that was my goal.<\/strong><\/p>\r\n<p><a href=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/bravo.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter  wp-image-6900\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/bravo.jpg\" alt=\"\" width=\"264\" height=\"264\" srcset=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/bravo.jpg 1920w, https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/bravo-300x300.jpg 300w, https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/bravo-100x100.jpg 100w, https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/bravo-600x600.jpg 600w, https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/bravo-1024x1024.jpg 1024w, https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/bravo-150x150.jpg 150w, https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/bravo-768x768.jpg 768w, https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/bravo-1536x1536.jpg 1536w\" sizes=\"auto, (max-width: 264px) 100vw, 264px\" \/><\/a><\/p>\r\n<h2>What should I have changed if the ping had worked?<\/h2>\r\n<p>This is the question I was asked as a result of this feedback.<\/p>\r\n<p>I have a Freebox Revolution Fibre, so I did this RetEx following tests on it, for the other boxes, see their documentation or customer support.<\/p>\r\n<h3>Is my Freebox a router or a bridge?<\/h3>\r\n<ul>\r\n<li>\r\n<h4>The Freebox is a router<\/h4>\r\n<\/li>\r\n<\/ul>\r\n<p>It is therefore she who will answer the ping.<\/p>\r\n<p>The site <a href=\"https:\/\/www.free-reseau.fr\/ma-ligne\/_informations.php\" target=\"_blank\" rel=\"noopener\">Free-network<\/a> gives tips on how to activate ping on a Freebox V4 or V5 or on a Freebox Revolution. It is therefore necessary to do the opposite of what is explained in order to disable ping.<\/p>\r\n<p>I do not know if there are still V4s or V5s, but on Revolution, simply uncheck the box:<\/p>\r\n<p><a href=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/cocheping.png\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6899\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/cocheping.png\" alt=\"\" width=\"890\" height=\"279\" srcset=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/cocheping.png 890w, https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/cocheping-600x188.png 600w, https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/cocheping-300x94.png 300w, https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/cocheping-768x241.png 768w\" sizes=\"auto, (max-width: 890px) 100vw, 890px\" \/><\/a><\/p>\r\n<ul>\r\n<li>\r\n<h4>The Freebox is in bridge<\/h4>\r\n<\/li>\r\n<\/ul>\r\n<p>This is what I have at home, the Freebox does what it does best: be a modem. I entrusted the management of my equipment to a Synology Router. The Freebox links the fiber network to my router. <span class=\"Body-C-C0\">The bridge mode will transform it, as its name suggests in\u00a0<\/span><span class=\"Body-C-C2\">bridge<\/span><span class=\"Body-C-C0\">. It will bridge the gap between the internet and my syno, which allocates addresses to the elements of my network.<\/span><\/p>\r\n<p><a href=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/bridge-1.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-6902\" src=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/bridge-1.jpg\" alt=\"\" width=\"612\" height=\"278\" srcset=\"https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/bridge-1.jpg 612w, https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/bridge-1-600x273.jpg 600w, https:\/\/www.sigalou-domotique.fr\/wp-content\/uploads\/2024\/04\/bridge-1-300x136.jpg 300w\" sizes=\"auto, (max-width: 612px) 100vw, 612px\" \/><\/a><\/p>\r\n<p>In this case, the answer to the ping will be processed by the router, it is in its configuration that it is necessary to search.<\/p>\r\n<h2>Bibliography<\/h2>\r\n<ul>\r\n<li><a href=\"https:\/\/www.free-reseau.fr\/ma-ligne\/_informations.php\" target=\"_blank\" rel=\"noopener\">https:\/\/www.free-reseau.fr\/ma-ligne\/_informations.php<\/a><\/li>\r\n<li><a href=\"http:\/\/hjj.free.fr\/FBV6\/page130.html\" target=\"_blank\" rel=\"noopener\">http:\/\/hjj.free.fr\/FBV6\/page130.html<\/a><\/li>\r\n<li><a href=\"https:\/\/www.grc.com\/x\/ne.dll?bh0bkyd2\" target=\"_blank\" rel=\"noopener\">https:\/\/www.grc.com\/x\/ne.dll?bh0bkyd2<\/a><\/li>\r\n<li><a href=\"https:\/\/assiste.com\/Encyclopedie\/Shields_Up.html\" target=\"_blank\" rel=\"noopener\">https:\/\/assiste.com\/Encyclopedie\/Shields_Up.html<\/a><\/li>\r\n<li><a href=\"https:\/\/apical.xyz\/fiches\/home_assistant\/trouver_l_adresse_ip_de_home_assistant\" target=\"_blank\" rel=\"noopener\">https:\/\/apical.xyz\/fiches\/home_assistant\/trouver_l_adresse_ip_de_home_assistant<\/a><\/li>\r\n<\/ul>\r\n<p>\u00a0<\/p>\r\n<p>\u00a0<\/p>\r\n<p>\u00a0<\/p>","protected":false},"excerpt":{"rendered":"<p>To identify future victims on the web, hackers quite naturally try to check if the IP exists and if any equipment is behind it. To verify this, the simplest is a ping of the IP address. I have a Free Fixed IP and I am a potential victim if I get spotted. This in function [\u2026]<\/p>","protected":false},"author":1,"featured_media":6904,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[70,166],"tags":[],"class_list":["post-6887","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cybersecurite","category-retex"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/posts\/6887","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/comments?post=6887"}],"version-history":[{"count":0,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/posts\/6887\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/media\/6904"}],"wp:attachment":[{"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/media?parent=6887"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/categories?post=6887"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.sigalou-domotique.fr\/en\/wp-json\/wp\/v2\/tags?post=6887"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}