{"id":79171,"date":"2020-04-25T01:42:02","date_gmt":"2020-04-24T23:42:02","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/finalnyj-beta-vypusk-sistemy-obnaruzheniya-atak-snort-3"},"modified":"2020-04-25T01:42:02","modified_gmt":"2020-04-24T23:42:02","slug":"finalnyj-beta-vypusk-sistemy-obnaruzheniya-atak-snort-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/da\/blog\/news\/finalnyj-beta-vypusk-sistemy-obnaruzheniya-atak-snort-3","title":{"rendered":"Den endelige beta-udgave af angrebsdetekteringssystemet Snort 3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Cisco <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.snort.org\/2020\/04\/snort-beta-available-now.html\">pr\u00e6senterede<\/a><\/noindex> den endelige beta-version af det fuldst\u00e6ndigt redesignede system til angrebsforebyggelse <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/snort3\/snort3\">Snort 3<\/a><\/noindex>, ogs\u00e5 kendt som projektet Snort++, som der er arbejdet p\u00e5 siden 2005 med periodiske pauser. Der planl\u00e6gges at udgive en candidate release senere p\u00e5 \u00e5ret.<\/p>\n<p>I den nye version er produktkonceptet fuldst\u00e6ndigt genovervejet, og arkitekturen er redesignede. Fokusomr\u00e5derne for denne nye version inkluderer forenkling af ops\u00e6tning og opstart af Snort, automatisering af konfiguration, simplificering af regelopbygningsspr\u00e5ket, automatisk identifikation af alle protokoller, levering af en shell til kommandolinjestyring, og en aktiv anvendelse af multitr\u00e5dning med f\u00e6lles adgang til en enkelt konfiguration fra forskellige processer. <\/p>\n<p>F\u00f8lgende v\u00e6sentlige innovationer er blevet implementeret:<\/p>\n<ul>\n<li class=\"l\"> Overgangen til et nyt konfigurationssystem, der tilbyder en forenklet syntaks og muligg\u00f8r brugen af scripts til dynamisk at generere indstillinger, er blevet gennemf\u00f8rt. LuaJIT bruges til behandling af konfigurationsfiler. LuaJIT-baserede plugins tilbydes med implementering af ekstra muligheder for regler og logningssystemet;\n<\/li>\n<li class=\"l\"> Angrebsdetektionsmotoren er blevet opdateret, reglerne er aktualiseret, og muligheden for at binde buffere i reglerne (sticky buffers) er blevet tilf\u00f8jet. S\u00f8germotoren Hyperscan er blevet anvendt, hvilket g\u00f8r det muligt at bruge hurtigere og mere pr\u00e6cise m\u00f8nstre baseret p\u00e5 regul\u00e6re udtryk i regler;\n<\/li>\n<li class=\"l\"> En ny introspektionsmode til HTTP er blevet tilf\u00f8jet, som tager hensyn til sessionens tilstand og d\u00e6kker 99% af situationerne, der underst\u00f8ttes af test-s\u00e6ttet <noindex><a rel=\"nofollow\" href=\"https:\/\/noxxi.de\/research\/http-evader.html\">HTTP Evader<\/a><\/noindex>. Der udvikles kode til at underst\u00f8tte HTTP\/2;\n<\/li>\n<li class=\"l\"> Ydelsen i dyb pakkeinspektionsmode er v\u00e6sentligt forbedret. Muligheden for multitr\u00e5dede pakkeprocesser er blevet tilf\u00f8jet, som tillader samtidig udf\u00f8relse af flere tr\u00e5de med pakkeh\u00e5ndteringssystemer og sikrer line\u00e6r skalerbarhed afh\u00e6ngigt af antallet af CPU-kerner;\n<\/li>\n<li class=\"l\"> Et f\u00e6lles konfigurationslager og attributtabel er blevet implementeret, som benyttes i forskellige undersystemer, hvilket har reduceret hukommelsesforbruget betydeligt ved at eliminere informationens duplikation;\n<\/li>\n<li class=\"l\"> Et nyt h\u00e6ndelsesloggingssystem, der bruger JSON-format og let kan integreres med eksterne platforme som Elastic Stack;\n<\/li>\n<li class=\"l\"> Overgangen til modul\u00e6r arkitektur, muligheden for at udvide funktionaliteten gennem tilslutning af plugins og implementeringen af n\u00f8glesystemer som udskiftelige plugins. I \u00f8jeblikket er der allerede udviklet flere hundrede plugins til Snort 3, der d\u00e6kker forskellige anvendelsesomr\u00e5der, f.eks. mulighed for at tilf\u00f8je egne codec'er, introspektionsmetoder, logningsmetoder, handlinger og indstillinger i reglerne;\n<\/li>\n<li class=\"l\"> Automatisk identifikation af k\u00f8rende tjenester, der fjerner behovet for manuelt at angive aktive netv\u00e6rksporte.\n<\/ul>\n<p>\u00c6ndringer sammenlignet med den sidste testudgave, der blev offentliggjort i 2018:<\/p>\n<ul>\n<li class=\"l\"> Tilf\u00f8jet underst\u00f8ttelse af filer til hurtig overskrivning af indstillinger i forhold til standardkonfigurationen;\n<li class=\"l\"> Koden muligg\u00f8r brugen af C++-konstruktioner defineret i C++14-standarden (for at kompilere kr\u00e6ves en compiler, der underst\u00f8tter C++14);\n<li class=\"l\"> Tilf\u00f8jet en ny VXLAN-h\u00e5ndterer;\n<li class=\"l\"> Forbedret s\u00f8gning efter indholdstyper baseret p\u00e5 indhold ved brug af opdaterede alternative implementeringer af algoritmerne <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%90%D0%BB%D0%B3%D0%BE%D1%80%D0%B8%D1%82%D0%BC_%D0%91%D0%BE%D0%B9%D0%B5%D1%80%D0%B0_%E2%80%94_%D0%9C%D1%83%D1%80%D0%B0\">Boyer-Moore<\/a><\/noindex> og <noindex><a rel=\"nofollow\" href=\"https:\/\/www.hyperscan.io\/\">Hyperscan<\/a><\/noindex>;\n<li class=\"l\"> Systemet til inspektion af HTTP\/2-trafik er n\u00e6sten klar til fuld drift;\n<li class=\"l\"> Starten er blevet accelereret ved brug af flere tr\u00e5de til kompilering af regler grupper;\n<li class=\"l\"> Tilf\u00f8jet et nyt logningssystem;\n<li class=\"l\"> Forbedret identifikation af Lua-fejl og optimeret funktionaliteten af whitelist;\n<li class=\"l\"> Der er foretaget \u00e6ndringer, der muligg\u00f8r genindl\u00e6sning af indstillinger i realtid;\n<li class=\"l\"> Et system til inspektion af RNA (Real-time Network Awareness) er blevet tilf\u00f8jet, som indsamler oplysninger om tilg\u00e6ngelige netv\u00e6rksressourcer, v\u00e6rter, applikationer og tjenester;\n<li class=\"l\"> For at forenkle ops\u00e6tningen er brugen af snort_config.lua og SNORT_LUA_PATH oph\u00f8rt.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Kilde: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52799\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cisco \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0444\u0438\u043d\u0430\u043b\u044c\u043d\u0443\u044e \u0431\u0435\u0442\u0430-\u0432\u0435\u0440\u0441\u0438\u044e \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a Snort 3, \u0442\u0430\u043a\u0436\u0435 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e\u0439 \u043a\u0430\u043a \u043f\u0440\u043e\u0435\u043a\u0442 Snort++, \u0440\u0430\u0431\u043e\u0442\u0430 \u043d\u0430\u0434 \u043a\u043e\u0442\u043e\u0440\u044b\u043c \u0441 \u043f\u0435\u0440\u0435\u0440\u044b\u0432\u0430\u043c\u0438 \u0432\u0435\u0434\u0451\u0442\u0441\u044f \u0435\u0449\u0451 \u0441 2005 \u0433\u043e\u0434\u0430. \u041f\u043e\u0437\u0434\u043d\u0435\u0435 \u0432 \u044d\u0442\u043e\u043c \u0433\u043e\u0434\u0443 \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u0442\u044c \u043a\u0430\u043d\u0434\u0438\u0434\u0430\u0442 \u0432 \u0440\u0435\u043b\u0438\u0437\u044b. \u0412 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0442\u043a\u0435 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043f\u0435\u0440\u0435\u043e\u0441\u043c\u044b\u0441\u043b\u0435\u043d\u0430 \u043a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u044f \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430 \u0438 \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u0430 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0430. \u0418\u0437 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439, \u043d\u0430 \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0431\u044b\u043b \u0441\u0434\u0435\u043b\u0430\u043d \u0430\u043a\u0446\u0435\u043d\u0442 \u043f\u0440\u0438 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043a\u0435 [&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-79171","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=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cisco \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0444\u0438\u043d\u0430\u043b\u044c\u043d\u0443\u044e \u0431\u0435\u0442\u0430-\u0432\u0435\u0440\u0441\u0438\u044e \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b 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