{"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\/hr\/blog\/news\/finalnyj-beta-vypusk-sistemy-obnaruzheniya-atak-snort-3","title":{"rendered":"Zavr\u0161na beta verzija sistema za otkrivanje napada Snort 3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Tvrtka Cisco <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.snort.org\/2020\/04\/snort-beta-available-now.html\">predstavila<\/a><\/noindex> kona\u010dna beta verzija potpuno redizajnirane sustava za sprje\u010davanje napada <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/snort3\/snort3\">Snort 3<\/a><\/noindex>, poznat i kao projekt Snort++, na kojem se radilo s prekidima jo\u0161 od 2005. godine. Planira se objava kandidata za izdanje krajem ove godine.<\/p>\n<p>U novoj grani potpuno je reinterpretirana koncepcija proizvoda i redizajnirana arhitektura. Naglasci prilikom pripreme nove grane uklju\u010duju pojednostavljenje konfiguracije i pokretanja Snorta, automatizaciju konfiguracije, pojednostavljenje jezika za izradu pravila, automatsko prepoznavanje svih protokola, pru\u017eanje ljuske za upravljanje putem naredbenog retka, te aktivno kori\u0161tenje vi\u0161edretvenosti s zajedni\u010dkim pristupom razli\u010ditih obrada jedinstvenoj konfiguraciji. <\/p>\n<p>Implementirane su sljede\u0107e zna\u010dajne novosti:<\/p>\n<ul>\n<li class=\"l\"> Preba\u010deno je na novi sustav konfiguracije koji nudi pojednostavljenu sintaksu i omogu\u0107uje kori\u0161tenje skripti za dinami\u010dko formiranje postavki. Za obradu datoteka s konfiguracijom koristi se LuaJIT. Pru\u017eaju se dodaci temeljen na LuaJIT s implementacijom dodatnih opcija za pravila i sustav vo\u0111enja evidencije;\n<\/li>\n<li class=\"l\"> Moderniziran je motor za prepoznavanje napada, a\u017eurirana su pravila, dodana je mogu\u0107nost vezivanja bafera u pravilima (sticky buffers). Uklju\u010den je pretra\u017eiva\u010dki motor Hyperscan koji omogu\u0107uje kori\u0161tenje brzih i preciznijih obrazaca temeljenih na regularnim izrazima u pravilima;\n<\/li>\n<li class=\"l\"> Dodana je nova introspektivna re\u017eim za HTTP, koji uzima u obzir stanje sesije i pokriva 99% situacija podr\u017eanih testnim skupom <noindex><a rel=\"nofollow\" href=\"https:\/\/noxxi.de\/research\/http-evader.html\">HTTP Evader<\/a><\/noindex>. U razvoju je kod za podr\u0161ku HTTP\/2;\n<\/li>\n<li class=\"l\"> Zna\u010dajno je pove\u0107ana u\u010dinkovitost re\u017eima dubokog inspekcijskog paketa. Dodana je mogu\u0107nost vi\u0161edretvene obrade paketa koja omogu\u0107uje istovremeno izvr\u0161avanje vi\u0161e niti s obrada paketa i osigurava linearno skaliranje ovisno o broju jezgri CPU-a;\n<\/li>\n<li class=\"l\"> Implementiran je zajedni\u010dki skladi\u0161ni sustav konfiguracije i tablica atributa koji se zajedni\u010dki koristi u razli\u010ditim podsustavima, \u0161to je zna\u010dajno smanjilo potro\u0161nju memorije isklju\u010divanjem dupliciranja informacija;\n<\/li>\n<li class=\"l\"> Novi sustav zapisivanja doga\u0111aja, koji koristi JSON format i lako se integri\u0161e s vanjskim platformama kao \u0161to je Elastic Stack;\n<\/li>\n<li class=\"l\"> Prelazak na modularnu arhitekturu, mogu\u0107nost pro\u0161irenja funkcionalnosti putem priklju\u010divanja plugina i realizacija klju\u010dnih podsustava u obliku zamjenjivih plugina. U ovom trenutku, za Snort 3 ve\u0107 je realizirano nekoliko stotina plugina, koji pokrivaju razli\u010dite sfere primjene, na primjer, omogu\u0107uju dodavanje vlastitih kodeka, re\u017eima introspekcije, metoda zapisivanja, radnji i opcija u pravilima;\n<\/li>\n<li class=\"l\"> Automatsko prepoznavanje aktivnih usluga, \u010dime se eliminira potreba za ru\u010dnim navo\u0111enjem aktivnih mre\u017enih portova.\n<\/ul>\n<p>Promjene u odnosu na prethodnu testnu verziju objavljenu 2018. godine:<\/p>\n<ul>\n<li class=\"l\"> Dodana podr\u0161ka za datoteke za brzo prepisivanje postavki, u odnosu na zadanu konfiguraciju;\n<li class=\"l\"> U kodu je omogu\u0107ena upotreba C++ konstrukcija definiranih standardom C++14 (za gradnju je potreban kompajler koji podr\u017eava C++14);\n<li class=\"l\"> Dodan novi VXLAN procesor;\n<li class=\"l\"> Pobolj\u0161ano pretra\u017eivanje tipova sadr\u017eaja po sadr\u017eaju koriste\u0107i a\u017eurirane alternativne implementacije algoritama <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> i <noindex><a rel=\"nofollow\" href=\"https:\/\/www.hyperscan.io\/\">Hyperscan<\/a><\/noindex>;\n<li class=\"l\"> Sustav inspekcije HTTP\/2 prometa je prakti\u010dno dovr\u0161en;\n<li class=\"l\"> Pobolj\u0161ano je pokretanje kori\u0161tenjem vi\u0161e niti za kompilaciju grupa pravila;\n<li class=\"l\"> Dodana novi mehanizam za vo\u0111enje zapisnika;\n<li class=\"l\"> Pobolj\u0161ano je prepoznavanje Lua gre\u0161aka i optimiziran rad bijelih lista;\n<li class=\"l\"> Unesene su promjene koje omogu\u0107uju u\u010ditavanje postavki u hodu;\n<li class=\"l\"> Dodana je RNA (Real-time Network Awareness) sustav inspekcije, koji prikuplja informacije o dostupnim resursima, hostovima, aplikacijama i servisima u mre\u017ei;\n<li class=\"l\"> Kako bi se olak\u0161ala konfiguracija, prekinuta je upotreba snort_config.lua i SNORT_LUA_PATH.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Izvor: <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 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" 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