{"id":183242,"date":"2026-09-03T22:54:27","date_gmt":"2026-09-03T20:54:27","guid":{"rendered":"https:\/\/prohoster.info\/blog\/news\/vypusk-sistemy-glubokogo-inspektirovaniya-paketov-ndpi-6-0"},"modified":"2026-09-03T22:54:29","modified_gmt":"2026-09-03T20:54:29","slug":"release-of-ndpi-6-0-deep-packet-inspection-system","status":"publish","type":"post","link":"https:\/\/prohoster.info\/fr\/blog\/news\/release-of-ndpi-6-0-deep-packet-inspection-system","title":{"rendered":"Sortie du syst\u00e8me de d\u00e9tection approfondie des paquets nDPI 6.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Le projet ntop, qui d\u00e9veloppe des outils pour la capture et l'analyse du trafic, a publi\u00e9 un ensemble d'outils pour l'inspection approfondie des paquets nDPI 6.0, poursuivant le d\u00e9veloppement de la biblioth\u00e8que OpenDPI. Le projet nDPI a \u00e9t\u00e9 fond\u00e9 suite \u00e0 une tentative infructueuse de transmission des modifications dans le d\u00e9p\u00f4t OpenDPI, qui n'est plus maintenu. Le code nDPI est \u00e9crit en langage C et est distribu\u00e9 sous la licence LGPLv3.    <\/p>\n<p>Le syst\u00e8me permet de d\u00e9terminer les protocoles de niveau application utilis\u00e9s dans le trafic, en analysant la nature de l'activit\u00e9 r\u00e9seau sans lien avec les ports r\u00e9seau (il peut identifier des protocoles connus dont les gestionnaires acceptent les connexions sur des ports r\u00e9seau non standards, par exemple, lorsque http est servi sur un port autre que 80, ou inversement, lorsque d'autres activit\u00e9s r\u00e9seau essaient de se camoufler sous http en se lan\u00e7ant sur le port 80).        <\/p>\n<p>Les diff\u00e9rences avec OpenDPI concernent le soutien de protocoles suppl\u00e9mentaires, le portage pour la plateforme Windows, l'optimisation des performances, l'adaptation pour une utilisation dans des applications de surveillance du trafic en temps r\u00e9el (certaines fonctionnalit\u00e9s sp\u00e9cifiques ayant ralenti le moteur ont \u00e9t\u00e9 supprim\u00e9es), la possibilit\u00e9 de compilation sous forme de module du noyau Linux et le soutien \u00e0 la d\u00e9tection de subprotocoles.     <\/p>\n<p>La d\u00e9tection de 56 types de menaces r\u00e9seau (flow risk) et de plus de 450 protocoles et applications est support\u00e9e (depuis OpenVPN, Tor, QUIC, SOCKS, BitTorrent et IPsec jusqu'\u00e0 Telegram, Viber, WhatsApp, PostgreSQL et les requ\u00eates vers Gmail, Office 365, Google Docs et YouTube). Un d\u00e9codeur pour les certificats serveur et client est inclus. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/ssl-sertifikat\/\"   title=\"SSL\" data-wpil-keyword-link=\"linked\">SSL<\/a>-certificats, permettant de d\u00e9terminer le protocole (par exemple, Citrix Online et Apple iCloud), en utilisant le certificat de chiffrement. Pour l'analyse du contenu des dumps pcap ou du trafic actuel via une interface r\u00e9seau, l'outil nDPIreader est fourni.      <\/p>\n<p>Dans cette nouvelle version :  <\/p>\n<ul>\n<li class=\"l\"> Les conditions de licence ont \u00e9t\u00e9 modifi\u00e9es. La biblioth\u00e8que de base nDPI continue d'\u00eatre fournie sous la licence LGPLv3, mais certains modules d'analyse du trafic, tels que DNS, QUIC et TLS, ont \u00e9t\u00e9 transf\u00e9r\u00e9s \u00e0 une licence double : LGPLv3 pour les projets non commerciaux et licence commerciale pour les projets g\u00e9n\u00e9rant des profits.\n<li class=\"l\"> La possibilit\u00e9 de d\u00e9tecter et de bloquer les attaques DoS de type Slowloris, Slow POST et Slow GET a \u00e9t\u00e9 ajout\u00e9e, o\u00f9 le client re\u00e7oit une r\u00e9ponse ou envoie une requ\u00eate tr\u00e8s lentement, sans fermer la connexion mais en \u00e9vitant aussi les interruptions par timeout, ce qui permet d'\u00e9puiser la limite du nombre de connexions actives.\n<li class=\"l\"> La fiabilit\u00e9 de la g\u00e9n\u00e9ration de signatures de trafic JA4, permettant de d\u00e9tecter des activit\u00e9s malveillantes, a \u00e9t\u00e9 am\u00e9lior\u00e9e. Pour r\u00e9duire la probabilit\u00e9 de faux positifs, un calcul s\u00e9lectif des hachages JA4 a \u00e9t\u00e9 mis en \u0153uvre, n'incluant pas certaines extensions TLS d\u00e9pendantes de la session, telles que l'extension de reprise de session via des cl\u00e9s pr\u00e9partag\u00e9es (PSK), diminuant ainsi l'unicit\u00e9 des hachages JA4.\n<li class=\"l\"> Ajout du support pour le m\u00e9canisme de tra\u00e7age USDT (Userland Statically Defined Tracing), int\u00e9grable dans l'application et ne cr\u00e9ant aucune surcharge en mode d\u00e9sactiv\u00e9. USDT permet d'inspecter le fonctionnement de nDPI \u00e0 l'aide des utilitaires bpftrace et perf sur des syst\u00e8mes sans avoir recours \u00e0 des builds de d\u00e9bogage s\u00e9par\u00e9s. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/fr\/server\/dts-gdansk\/\"   title=\"serveurs\" data-wpil-keyword-link=\"linked\">serveurs<\/a> sans avoir recours \u00e0 des builds de d\u00e9bogage s\u00e9par\u00e9s.\n<li class=\"l\"> Ajout du support pour l'inspection des protocoles Meshtastic, libp2p, YGGDRASIL et Nebula, utilis\u00e9s dans les r\u00e9seaux en maillage et overlay.\n<li class=\"l\"> Mise en \u0153uvre de la possibilit\u00e9 de classification des donn\u00e9es au format JSON et MsgPack, ainsi que de la s\u00e9paration des activit\u00e9s li\u00e9es \u00e0 diff\u00e9rents services GitHub (Copilot, Packages, Actions) et Proton (Mail, Pass, Drive, Calendar, Docs, Wallet, Lumo, Meet).\n<li class=\"l\"> Ajout du support pour l'extraction dans le trafic des appels vocaux et vid\u00e9o.\n<li class=\"l\"> De nouvelles cat\u00e9gories de gestion de contenu ont \u00e9t\u00e9 propos\u00e9es : enfants, moteurs de recherche, violence, drogues et armes.    <\/ul>\n<p>Source : <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=66198\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u043e\u0435\u043a\u0442 ntop, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0438\u0439 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u044b \u0434\u043b\u044f \u0437\u0430\u0445\u0432\u0430\u0442\u0430 \u0438 \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0442\u0440\u0430\u0444\u0438\u043a\u0430, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 \u0434\u043b\u044f \u0433\u043b\u0443\u0431\u043e\u043a\u043e\u0433\u043e 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\u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 LGPLv3. \u0421\u0438\u0441\u0442\u0435\u043c\u0430 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0442\u044c \u0432 \u0442\u0440\u0430\u0444\u0438\u043a\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u043c\u044b\u0435 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u044b \u0443\u0440\u043e\u0432\u043d\u044f [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":10,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-183242","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u0440\u043e\u0435\u043a\u0442 ntop, \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0449\u0438\u0439 \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u044b \u0434\u043b\u044f \u0437\u0430\u0445\u0432\u0430\u0442\u0430 \u0438 \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0442\u0440\u0430\u0444\u0438\u043a\u0430, \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0438\u043d\u0441\u0442\u0440\u0443\u043c\u0435\u043d\u0442\u0430\u0440\u0438\u0439 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