{"id":94999,"date":"2020-09-24T13:42:02","date_gmt":"2020-09-24T11:42:02","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kandidat-v-relizy-sistemy-obnaruzheniya-atak-snort-3"},"modified":"2020-09-24T13:42:02","modified_gmt":"2020-09-24T11:42:02","slug":"kandidat-v-relizy-sistemy-obnaruzheniya-atak-snort-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/ro\/blog\/news\/kandidat-v-relizy-sistemy-obnaruzheniya-atak-snort-3","title":{"rendered":"Candidatul pentru lans\u0103rile sistemului de detectare a atacurilor Snort 3.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Compania Cisco <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.snort.org\/2020\/09\/official-snort-3-release-candidate.html\">a anun\u021bat<\/a><\/noindex> despre formarea candidatelor pentru lans\u0103rile unui sistem complet rescris de prevenire a atacurilor <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/snort3\/snort3\">Snort 3<\/a><\/noindex>, cunoscut \u0219i sub numele de proiectul Snort++, care este dezvoltat cu \u00eentreruperi \u00eenc\u0103 din 2005. O versiune stabil\u0103 este planificat\u0103 s\u0103 fie publicat\u0103 \u00een termen de o lun\u0103.<\/p>\n<p>\u00cen ramura Snort 3, conceptul produsului a fost complet reinterpretat, iar arhitectura a fost rescris\u0103. Printre direc\u021biile cheie de dezvoltare a Snort 3 se num\u0103r\u0103: simplificarea configur\u0103rii \u0219i lans\u0103rii Snort, automatizarea configur\u0103rii, simplificarea limbajului de construc\u021bie a regulilor, determinarea automat\u0103 a tuturor protocoalelor, oferirea unui shell pentru gestionarea din linia de comand\u0103, utilizarea activ\u0103 a multithreading-ului cu acces comun al diferitelor procesatoare la o configura\u021bie unic\u0103. <\/p>\n<p>Au fost implementate urm\u0103toarele inova\u021bii semnificative:<\/p>\n<ul>\n<li class=\"l\"> A fost trecut la un nou sistem de configurare care ofer\u0103 o sintax\u0103 simplificat\u0103 \u0219i permite utilizarea scripturilor pentru generarea dinamic\u0103 a set\u0103rilor. LuaJIT este utilizat pentru procesarea fi\u0219ierelor de configurare. Se ofer\u0103 pluginuri bazate pe LuaJIT cu implementarea de op\u021biuni suplimentare pentru reguli \u0219i sistemul de logare;\n<\/li>\n<li class=\"l\"> Motorul de detec\u021bie a atacurilor a fost modernizat, regulile au fost actualizate, a fost ad\u0103ugat\u0103 posibilitatea de a lega bufferele \u00een reguli (sticky buffers). A fost folosit motorul de c\u0103utare Hyperscan, care a permis utilizarea unor \u0219abloane rapide \u0219i mai precise bazate pe expresii regulate;\n<\/li>\n<li class=\"l\"> A fost ad\u0103ugat un nou mod de introspec\u021bie pentru HTTP, care \u021bine cont de starea sesiunii \u0219i acoper\u0103 99% dintre situa\u021biile suportate de setul de teste <noindex><a rel=\"nofollow\" href=\"https:\/\/noxxi.de\/research\/http-evader.html\">HTTP Evader<\/a><\/noindex>. A fost ad\u0103ugat\u0103 o sistem de inspectare a traficului HTTP\/2;\n<\/li>\n<li class=\"l\"> A fost semnificativ crescut\u0103 performan\u021ba modului de inspec\u021bie profund\u0103 a pachetelor. A fost ad\u0103ugat\u0103 posibilitatea de procesare multi-threaded a pachetelor, permi\u021b\u00e2nd executarea simultan\u0103 a mai multor fire cu gestionarii de pachete \u0219i asigur\u00e2nd scalabilitate liniar\u0103 \u00een func\u021bie de num\u0103rul de nuclee CPU;\n<\/li>\n<li class=\"l\"> A fost implementat un depozit comun de configurare \u0219i tabele de atribute, utilizate \u00een comun \u00een diferitele subsisteme, ceea ce a permis reducerea semnificativ\u0103 a consumului de memorie prin eliminarea duplic\u0103rii informa\u021biei;\n<\/li>\n<li class=\"l\"> Un nou sistem de jurnalizare a evenimentelor, care utilizeaz\u0103 formatul JSON \u0219i se integreaz\u0103 u\u0219or cu platforme externe, cum ar fi Elastic Stack;\n<\/li>\n<li class=\"l\"> Tranzi\u021bie la o arhitectur\u0103 modular\u0103, posibilitatea de a extinde func\u021bionalitatea prin conectarea de pluginuri \u0219i implementarea subsystemelor cheie sub form\u0103 de pluginuri interschimbabile. \u00cen prezent, pentru Snort 3 sunt deja disponibile c\u00e2teva sute de pluginuri, acoperind diverse domenii de aplicare, cum ar fi ad\u0103ugarea de codec-uri personalizate, moduri de introspec\u021bie, metode de jurnalizare, ac\u021biuni \u0219i op\u021biuni \u00een reguli;\n<\/li>\n<li class=\"l\"> Detec\u021bie automat\u0103 a serviciilor active, elimin\u00e2nd necesitatea de a specifica manual porturile de re\u021bea active.\n<li class=\"l\"> A fost ad\u0103ugat suport pentru fi\u0219iere pentru o modificare rapid\u0103 a set\u0103rilor, \u00een raport cu configura\u021bia implicit\u0103. Pentru simplificarea configur\u0103rii, utilizarea snort_config.lua \u0219i SNORT_LUA_PATH a fost \u00eencetat\u0103.<br \/>\nA fost ad\u0103ugat suport pentru re\u00eenc\u0103rcarea set\u0103rilor \u00een timp real;<\/p>\n<\/li>\n<li class=\"l\"> \u00cen cod a fost asigurat\u0103 posibilitatea utiliz\u0103rii construc\u021biilor C++, definite \u00een standardul C++14 (pentru compilare este necesar un compilator care suport\u0103 C++14);\n<\/li>\n<li class=\"l\"> Ad\u0103ugat un nou handler VXLAN;\n<\/li>\n<li class=\"l\"> \u00cembun\u0103t\u0103\u021bit c\u0103utarea tipurilor de con\u021binut \u00een func\u021bie de con\u021binut folosind implement\u0103ri alternative actualizate ale algoritmilor <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> \u0219i <noindex><a rel=\"nofollow\" href=\"https:\/\/www.hyperscan.io\/\">Hyperscan<\/a><\/noindex>;\n<\/li>\n<li class=\"l\"> Pornirea accelerat\u0103 prin utilizarea mai multor fire pentru compilarea grupurilor de reguli;\n<\/li>\n<li class=\"l\"> Ad\u0103ugat un nou mecanism de jurnalizare;\n<\/li>\n<li class=\"l\"> A fost ad\u0103ugat\u0103 un sistem de inspectare RNA (Real-time Network Awareness), care colecteaz\u0103 informa\u021bii despre resursele disponibile \u00een re\u021bea, gazde, aplica\u021bii \u0219i servicii.\n<\/li>\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Sursa: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=53770\">opennet.ro<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cisco \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u043a\u0430\u043d\u0434\u0438\u0434\u0430\u0442\u0430 \u0432 \u0440\u0435\u043b\u0438\u0437\u044b \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. \u0421\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0439 \u0440\u0435\u043b\u0438\u0437 \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u0442\u044c \u0432 \u0442\u0435\u0447\u0435\u043d\u0438\u0435 \u043c\u0435\u0441\u044f\u0446\u0430. \u0412 \u0432\u0435\u0442\u043a\u0435 Snort 3 \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. \u0421\u0440\u0435\u0434\u0438 \u043a\u043b\u044e\u0447\u0435\u0432\u044b\u0445 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439 \u0440\u0430\u0437\u0432\u0438\u0442\u0438\u044f Snort 3: \u0443\u043f\u0440\u043e\u0449\u0435\u043d\u0438\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-94999","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cisco \u043e\u0431\u044a\u044f\u0432\u0438\u043b\u0430 \u043e \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0438 \u043a\u0430\u043d\u0434\u0438\u0434\u0430\u0442\u0430 \u0432 \u0440\u0435\u043b\u0438\u0437\u044b \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.\" \/>\n\t<meta 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