{"id":840,"date":"2025-09-07T18:24:09","date_gmt":"2025-09-07T16:24:09","guid":{"rendered":"https:\/\/meshtastic.lorapaca.org\/?p=840"},"modified":"2025-09-07T18:35:41","modified_gmt":"2025-09-07T16:35:41","slug":"meshtastic-en-conditions-extremes-burning-man-def-con-2025","status":"publish","type":"post","link":"https:\/\/meshtastic.lorapaca.org\/?p=840","title":{"rendered":"Meshtastic en conditions extr\u00eames : Burning Man &amp; DEF CON 2025"},"content":{"rendered":"\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"1024\" src=\"https:\/\/meshtastic.lorapaca.org\/wp-content\/uploads\/2025\/09\/image-4.png\" alt=\"\" class=\"wp-image-843\" style=\"width:600px\" srcset=\"https:\/\/meshtastic.lorapaca.org\/wp-content\/uploads\/2025\/09\/image-4.png 1024w, https:\/\/meshtastic.lorapaca.org\/wp-content\/uploads\/2025\/09\/image-4-300x300.png 300w, https:\/\/meshtastic.lorapaca.org\/wp-content\/uploads\/2025\/09\/image-4-150x150.png 150w, https:\/\/meshtastic.lorapaca.org\/wp-content\/uploads\/2025\/09\/image-4-768x768.png 768w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>En 2025, le projet <strong>Meshtastic<\/strong> a franchi un cap d\u00e9cisif en d\u00e9montrant ses capacit\u00e9s dans deux environnements totalement diff\u00e9rents mais tout aussi exigeants : le d\u00e9sert de <strong>Burning Man<\/strong> et le centre de congr\u00e8s high-tech de <strong>DEF CON<\/strong>, \u00e0 Las Vegas. Ces deux \u00e9v\u00e9nements ont servi de laboratoires grandeur nature pour tester la robustesse, la s\u00e9curit\u00e9 et la scalabilit\u00e9 du r\u00e9seau LoRa maill\u00e9.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83c\udf10 Burning Mesh : Meshtastic au c\u0153ur du d\u00e9sert<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"575\" src=\"https:\/\/meshtastic.lorapaca.org\/wp-content\/uploads\/2025\/09\/image-3-1024x575.png\" alt=\"\" class=\"wp-image-842\" style=\"width:600px\" srcset=\"https:\/\/meshtastic.lorapaca.org\/wp-content\/uploads\/2025\/09\/image-3-1024x575.png 1024w, https:\/\/meshtastic.lorapaca.org\/wp-content\/uploads\/2025\/09\/image-3-300x169.png 300w, https:\/\/meshtastic.lorapaca.org\/wp-content\/uploads\/2025\/09\/image-3-768x432.png 768w, https:\/\/meshtastic.lorapaca.org\/wp-content\/uploads\/2025\/09\/image-3-1536x863.png 1536w, https:\/\/meshtastic.lorapaca.org\/wp-content\/uploads\/2025\/09\/image-3-1320x742.png 1320w, https:\/\/meshtastic.lorapaca.org\/wp-content\/uploads\/2025\/09\/image-3.png 2000w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>\u00c0 Burning Man, o\u00f9 aucun r\u00e9seau mobile ni Wi-Fi n\u2019est disponible, <strong>plus de 2 000 n\u0153uds Meshtastic<\/strong> ont \u00e9t\u00e9 d\u00e9ploy\u00e9s pour permettre aux participants de communiquer, se localiser et coordonner leurs activit\u00e9s.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Messages texte off-grid<\/strong> entre camps, v\u00e9los, art cars<\/li>\n\n\n\n<li><strong>Suivi GPS<\/strong> en temps r\u00e9el<\/li>\n\n\n\n<li><strong>Firmware personnalis\u00e9<\/strong> pour optimiser la gestion des identit\u00e9s et du trafic<\/li>\n\n\n\n<li><strong>Mat\u00e9riel utilis\u00e9<\/strong> <strong>et recommand\u00e9<\/strong> : WisMesh Pocket, LILYGO T-Echo<\/li>\n<\/ul>\n\n\n\n<p>Malgr\u00e9 la chaleur, la poussi\u00e8re et l\u2019absence d\u2019infrastructure, le r\u00e9seau a tenu bon. Ce fut une d\u00e9monstration \u00e9clatante de ce que Meshtastic peut offrir dans des contextes nomades, communautaires et extr\u00eames.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83e\udde0 DEF CON 2025 : le stress test technique<\/h4>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"640\" height=\"488\" src=\"https:\/\/meshtastic.lorapaca.org\/wp-content\/uploads\/2025\/09\/image-5.png\" alt=\"\" class=\"wp-image-845\" style=\"width:604px\" srcset=\"https:\/\/meshtastic.lorapaca.org\/wp-content\/uploads\/2025\/09\/image-5.png 640w, https:\/\/meshtastic.lorapaca.org\/wp-content\/uploads\/2025\/09\/image-5-300x229.png 300w\" sizes=\"auto, (max-width: 640px) 100vw, 640px\" \/><\/figure>\n\n\n\n<p>Quelques semaines plus t\u00f4t, \u00e0 <strong>DEF CON<\/strong>, le plus grand rassemblement de hackers au monde, Meshtastic a \u00e9t\u00e9 mis \u00e0 rude \u00e9preuve dans un environnement dense et hyperactif.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Plus de 2 000 n\u0153uds connect\u00e9s simultan\u00e9ment<\/strong><\/li>\n\n\n\n<li>Des milliers de messages \u00e9chang\u00e9s, y compris des Rickrolls et des scripts de films<\/li>\n\n\n\n<li>Des bugs d\u00e9couverts sur toutes les plateformes : Android, iOS, firmware, mat\u00e9riel<\/li>\n\n\n\n<li>Une attaque in\u00e9dite sur le syst\u00e8me NodeInfo, exploitant la faiblesse du mod\u00e8le ToFU (Trust on First Use)<\/li>\n<\/ul>\n\n\n\n<p>Cette attaque a permis \u00e0 des paquets usurp\u00e9s de modifier l\u2019identit\u00e9 affich\u00e9e des n\u0153uds, provoquant des perturbations dans les listes et les \u00e9changes. Bien que les <strong>messages priv\u00e9s soient rest\u00e9s s\u00e9curis\u00e9s<\/strong>, l\u2019\u00e9v\u00e9nement a mis en lumi\u00e8re la n\u00e9cessit\u00e9 de :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Signer les messages<\/strong> dans les canaux PSK<\/li>\n\n\n\n<li><strong>V\u00e9rifier l\u2019identit\u00e9 des n\u0153uds<\/strong><\/li>\n\n\n\n<li><strong>Am\u00e9liorer l\u2019exp\u00e9rience utilisateur<\/strong> pour d\u00e9tecter les anomalies<\/li>\n<\/ul>\n\n\n\n<p>Des correctifs ont \u00e9t\u00e9 rapidement d\u00e9ploy\u00e9s, et la communaut\u00e9 a jou\u00e9 un r\u00f4le cl\u00e9 en proposant des solutions techniques et en documentant les failles.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83d\udee0\ufe0f Ce que ces deux \u00e9v\u00e9nements ont apport\u00e9<\/h4>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>Aspect test\u00e9<\/th><th>Burning Man \ud83c\udfdc\ufe0f<\/th><th>DEF CON \ud83e\udde0<\/th><\/tr><\/thead><tbody><tr><td>Conditions extr\u00eames<\/td><td>Chaleur, poussi\u00e8re, off-grid<\/td><td>Densit\u00e9, trafic, attaques r\u00e9seau<\/td><\/tr><tr><td>Nombre de n\u0153uds<\/td><td>+2 000<\/td><td>+2 000<\/td><\/tr><tr><td>Objectif principal<\/td><td>Connectivit\u00e9 nomade<\/td><td>S\u00e9curit\u00e9 et scalabilit\u00e9<\/td><\/tr><tr><td>R\u00e9sultat<\/td><td>R\u00e9seau stable et utile<\/td><td>R\u00e9seau stress\u00e9 mais instructif<\/td><\/tr><tr><td>Enseignements<\/td><td>Autonomie, firmware, GPS<\/td><td>Identit\u00e9, signature, UX<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h4 class=\"wp-block-heading\">\ud83e\udd1d Une communaut\u00e9 plus forte<\/h4>\n\n\n\n<p>Ces deux exp\u00e9riences ont permis \u00e0 Meshtastic de :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Valider son potentiel dans des contextes r\u00e9els et extr\u00eames<\/li>\n\n\n\n<li>Identifier des failles et les corriger rapidement<\/li>\n\n\n\n<li>Renforcer sa communaut\u00e9 de d\u00e9veloppeurs, testeurs et utilisateurs<\/li>\n<\/ul>\n\n\n\n<p>Le projet avance d\u00e9sormais vers une <strong>signature des messages<\/strong>, une <strong>v\u00e9rification d\u2019identit\u00e9 renforc\u00e9e<\/strong>, et une <strong>exp\u00e9rience utilisateur plus intuitive<\/strong> \u2014 tout en restant open source et accessible.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<p><em>Plus d&rsquo;info (en anglais) :<\/em><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/store.rokland.com\/blogs\/news\/the-best-meshtastic-node-for-burning-man\">The best Meshtastic node for Burning Man \u2013 Rokland<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/store.rokland.com\/blogs\/news\/the-best-meshtastic-node-for-burning-man\"><\/a><a href=\"https:\/\/www.burningmesh.org\/\">Burning Mesh | Connect Off-Grid Now<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/meshtastic.org\/blog\/that-one-time-at-defcon\/\">That one time at DEF CON! | Meshtastic<\/a><\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>En 2025, le projet Meshtastic a franchi un cap d\u00e9cisif en d\u00e9montrant ses capacit\u00e9s dans deux environnements totalement diff\u00e9rents mais&hellip;<\/p>\n","protected":false},"author":1,"featured_media":843,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-840","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actu-meshtastic"],"_links":{"self":[{"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=\/wp\/v2\/posts\/840","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=840"}],"version-history":[{"count":2,"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=\/wp\/v2\/posts\/840\/revisions"}],"predecessor-version":[{"id":850,"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=\/wp\/v2\/posts\/840\/revisions\/850"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=\/wp\/v2\/media\/843"}],"wp:attachment":[{"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/meshtastic.lorapaca.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}