{"id":149134,"date":"2025-11-21T17:11:59","date_gmt":"2025-11-21T15:11:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-sistemy-glubokogo-inspektirovaniya-paketov-ndpi-5-0"},"modified":"2025-11-21T17:11:59","modified_gmt":"2025-11-21T15:11:59","slug":"vypusk-sistemy-glubokogo-inspektirovaniya-paketov-ndpi-5-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/vypusk-sistemy-glubokogo-inspektirovaniya-paketov-ndpi-5-0","title":{"rendered":"Udgivelsen af det dybe pakkeinspektionssystem nDPI 5.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Projektet ntop, der udvikler v\u00e6rkt\u00f8jer til indfangning og analyse af trafik, har offentliggjort v\u00e6rkt\u00f8jer til dybdeinspektion af pakker nDPI 5.0, som forts\u00e6tter udviklingen af OpenDPI-biblioteket. nDPI-projektet blev grundlagt efter et mislykket fors\u00f8g p\u00e5 at overf\u00f8re \u00e6ndringer til OpenDPI-repositoriet, som ikke l\u00e6ngere bliver vedligeholdt. nDPI-koden 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 definition af 56 typer netv\u00e6rkstrusler (flow risk) og over 450 protokoller og applikationer (fra OpenVPN, Tor, QUIC, SOCKS, BitTorrent og IPsec til Telegram, Viber, WhatsApp, PostgreSQL samt anmodninger til Gmail, Office 365, Google Docs og YouTube). Der er en dekoder til server- og klientkommunikation. <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/da\/ssl-sertifikat\/\"   title=\"SSL certificates\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"356\">SSL certificates<\/a>, der g\u00f8r det muligt at identificere protokoller (for eksempel Citrix Online og Apple iCloud) ved hj\u00e6lp af krypteringscertifikater. For analyse af indhold i pcap-dumps eller aktuel trafik gennem netv\u00e6rksinterfacet leveres nDPIreader-v\u00e6rkt\u00f8jet.      <\/p>\n<p>I den nye version:  <\/p>\n<ul>\n<li class=\"l\"> Der er implementeret en universel mekanisme til identifikation af trafik, der kombinerer metadata om TCP-aftryk, TLS-certifikathash og JA4 (identifikatorer til bestemmelse af netv\u00e6rksprotokoller og applikationer) i \u00e9n trafikfingerprint. Den nye mekanisme g\u00f8r det muligt at bestemme og sammenligne krypteret eller obfuskeret trafik mere pr\u00e6cist.\n<li class=\"l\">Muligheden for at identificere TLS-, QUIC- og HTTP-str\u00f8mme, hvor v\u00e6rtsnavne indg\u00e5r (f.eks. i SNI til TLS\/QUIC og i Host-headeren til HTTP), er blevet tilf\u00f8jet; tidligere blev der ikke udf\u00f8rt opl\u00f8sning via DNS. S\u00e5dan aktivitet kan anvendes til at opdage anomalier, skjulte dataoverf\u00f8rselskanaler og metoder til omg\u00e5else af filtrering.\n<li class=\"l\"> Gr\u00e6nsen for antallet af identificerbare protokoller og trafiktyper er h\u00e6vet til 2^16, hvilket muligg\u00f8r identifikation af praktisk talt ubegr\u00e6nsede protokoller ved trafikinspektion. Alle tilg\u00e6ngelige protokoller er nu aktiveret som standard.\n<li class=\"l\"> Der er tilf\u00f8jet nye muligheder til reglerne for klassificering af trafik efter fingerprints, JA4-applikationer og protokoller, HTTP-URL'er og kategorier.\n<li class=\"l\"> Underst\u00f8ttelsen af FPC (First Packet Classification) er forbedret, hvilket sigter mod at bestemme protokoller, applikationer og tjenester ud fra den f\u00f8rste pakke, der sendes ved oprettelse af forbindelse. FPC hj\u00e6lper med at reducere CPU-belastningen betydeligt ved trafikinspektion.\n<li class=\"l\"> Underst\u00f8ttelsen af pseudoprotokoller som ADULT_CONTENT, LLM og ADS_ANALYTICS_TRACK er fjernet, hvorefter klassificering nu er baseret p\u00e5 kategorier.\n<li class=\"l\"> Der er tilf\u00f8jet st\u00f8tte og muligheden for at analysere nye protokoller, herunder Microsoft Delivery Optimization, Rockstar Games, Kick.com, MELSEC, Hamachi, GLBP, Matter, TriStation, Samsung SDP, ESPN og Akamai.\n<li class=\"l\"> Der er tilf\u00f8jet nye underkategorier, og klassifikationen af Amazon\/AWS-tjenester er blevet udvidet.\n<li class=\"l\"> Omkring 30 nye kategorier er blevet tilf\u00f8jet, og detaljegraden i trafikanalysen er forbedret.\n<li class=\"l\"> Der er tilf\u00f8jet en analyser til st\u00f8rrelsen af datablokke for TLS-forbindelser.\n<li class=\"l\"> Muligheden for at oprette protokolstakke, der d\u00e6kker to eller flere protokoller ved trafikklassifikation, er blevet tilf\u00f8jet.\n<li class=\"l\"> Nye API'er til rangering af trafik og kodning\/afkodning af hex-sekvenser er blevet tilf\u00f8jet.\n<li class=\"l\"> Lister over bots, netv\u00e6rksscannere og mining-pools er blevet opdateret.\n<li class=\"l\"> Koden til parsing af HTTP-, TLS- og STUN-protokoller er blevet opdateret.\n<li class=\"l\"> Initialiseringen er blevet accelereret, og effektiviteten af hukommelsesstyringen er forbedret.          <\/ul>\n<p>Kilde: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=64299\">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 5.0, \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u044e\u0449\u0438\u0439 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u0435 \u0431\u0438\u0431\u043b\u0438\u043e\u0442\u0435\u043a\u0438 OpenDPI. \u041f\u0440\u043e\u0435\u043a\u0442 nDPI \u043e\u0441\u043d\u043e\u0432\u0430\u043d \u043f\u043e\u0441\u043b\u0435 \u0431\u0435\u0437\u0443\u0441\u043f\u0435\u0448\u043d\u043e\u0439 \u043f\u043e\u043f\u044b\u0442\u043a\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0439 \u0432 \u0440\u0435\u043f\u043e\u0437\u0438\u0442\u043e\u0440\u0438\u0439 OpenDPI, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0441\u0442\u0430\u043b\u0441\u044f \u0431\u0435\u0437 \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u044f. \u041a\u043e\u0434 nDPI \u043d\u0430\u043f\u0438\u0441\u0430\u043d \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":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-149134","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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