{"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\/da\/blog\/news\/release-of-ndpi-6-0-deep-packet-inspection-system","title":{"rendered":"Udgivelsen af systemet til dyb pakkeinspektion nDPI 6.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Projektet ntop, der udvikler v\u00e6rkt\u00f8jer til at indfange og analysere trafik, har offentliggjort v\u00e6rkt\u00f8jerne til dyb pakkeinspektion nDPI 6.0, som forts\u00e6tter udviklingen af biblioteket OpenDPI. Projektet nDPI blev grundlagt efter et mislykket fors\u00f8g p\u00e5 at overf\u00f8re \u00e6ndringer til OpenDPI-repositoriet, som ikke l\u00e6ngere blev vedligeholdt. Koden til nDPI er skrevet i C og distribueres under LGPLv3-licensen.    <\/p>\n<p>Systemet g\u00f8r det muligt at bestemme de anvendte applikationslagprotokoller i trafikken ved at analysere karakteren af netv\u00e6rksaktiviteten uden at v\u00e6re bundet til netv\u00e6rksporte (det kan bestemme kendte protokoller, hvis h\u00e5ndterere modtager forbindelser p\u00e5 ikke-standard netv\u00e6rksporte, for eksempel hvis http ikke sendes fra port 80, eller omvendt, n\u00e5r en anden netv\u00e6rksaktivitet fors\u00f8ges kamufleret som http ved at k\u00f8re p\u00e5 port 80).        <\/p>\n<p>Forskellene fra OpenDPI ligger i underst\u00f8ttelsen af yderligere protokoller, porteringen til Windows-platformen, optimering af ydeevne, tilpasning til anvendelse i applikationer til realtids trafikoverv\u00e5gning (nogle specifikke funktioner, der s\u00e6nkede motoren, er fjernet), muligheden for ops\u00e6tning som et kernemodul til Linux og st\u00f8tte til identifikation af subprotokoller.     <\/p>\n<p>Der underst\u00f8ttes identifikation af 56 typer netv\u00e6rks trusler (flow risk) og mere end 450 protokoller og applikationer (fra OpenVPN, Tor, QUIC, SOCKS, BitTorrent og IPsec til Telegram, Viber, WhatsApp, PostgreSQL og anmodninger til Gmail, Office 365, Google Docs og YouTube). Der er en decoder til server- og klientside <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/ssl-sertifikat\/\"   title=\"SSL\" data-wpil-keyword-link=\"linked\">SSL<\/a>-certifikater, der g\u00f8r det muligt at identificere protokollen (f.eks. Citrix Online og Apple iCloud), ved hj\u00e6lp af krypteringscertifikatet. Til analysen af indholdet i pcap-dumps eller aktuel trafik gennem netv\u00e6rksinterfacet leveres v\u00e6rkt\u00f8jet nDPIreader.      <\/p>\n<p>I den nye version:  <\/p>\n<ul>\n<li class=\"l\"> Licensbetingelserne er \u00e6ndret. Den grundl\u00e6ggende nDPI-bibliotek forts\u00e6tter med at blive leveret under LGPLv3-licensen, men nogle trafik parsing-moduler, s\u00e5som DNS, QUIC og TLS, er blevet overf\u00f8rt til en duallicens: LGPLv3 for non-profit projekter og en kommerciel licens for projekter, der anvendes til at generere indt\u00e6gter.\n<li class=\"l\"> Muligheden for at opdage og blokere DoS-angreb af typen Slowloris, Slow POST og Slow GET er blevet tilf\u00f8jet. I disse tilf\u00e6lde modtager klienten et svar eller sender en anmodning meget langsomt, uden at lukke forbindelsen, men heller ikke tillader timeout, hvilket g\u00f8r det muligt at opbruge gr\u00e6nsen for antallet af aktive forbindelser.\n<li class=\"l\"> P\u00e5lideligheden ved generering af JA4 trafikaftryk, som g\u00f8r det muligt at opdage ondsindet aktivitet, er blevet forbedret. For at reducere risikoen for falske positiver er der implementeret selektiv beregning af JA4 hashes, som ikke d\u00e6kker visse session-afh\u00e6ngige TLS-udvidelser, s\u00e5som udvidelsen til genoptagelse af sessioner via pr\u00e6-identificerede n\u00f8gler (PSK), som reducerer unikheden af JA4 hashes.\n<li class=\"l\"> Underst\u00f8ttelsen af USDT (Userland Statically Defined Tracing) tracing-mekanismen er blevet tilf\u00f8jet, som integreres i applikationen og ikke skaber ekstra belastning i slukket tilstand. USDT g\u00f8r det muligt at inspicere nDPI's arbejde med v\u00e6rkt\u00f8jerne bpftrace og perf. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/server\/dts-gdansk\/\"   title=\"servere\" data-wpil-keyword-link=\"linked\">servere<\/a> uden anvendelse af separate debug-builds.\n<li class=\"l\"> Underst\u00f8ttelsen af inspektion af protokoller som Meshtastic, libp2p, YGGDRASIL og Nebula, der anvendes i overlay- og mesh-netv\u00e6rk, er blevet tilf\u00f8jet.\n<li class=\"l\"> Muligheden for klassificering af data i JSON- og MsgPack-formater samt adskillelse af aktiviteter relateret til forskellige GitHub-tjenester (Copilot, Packages, Actions) og Proton (Mail, Pass, Drive, Calendar, Docs, Wallet, Lumo, Meet) er blevet implementeret.\n<li class=\"l\"> Underst\u00f8ttelsen af at udtr\u00e6kke stemme- og videoopkald i trafikken er blevet tilf\u00f8jet.\n<li class=\"l\"> Nye kategorier til indholdsadministration er foresl\u00e5et: b\u00f8rn, s\u00f8gemaskiner, vold, narko og v\u00e5ben.    <\/ul>\n<p>Kilde: <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 \u0438\u043d\u0441\u043f\u0435\u043a\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u043f\u0430\u043a\u0435\u0442\u043e\u0432 nDPI 6.0, 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