{"id":107818,"date":"2023-04-13T00:48:12","date_gmt":"2023-04-12T22:48:12","guid":{"rendered":"https:\/\/prohoster.info\/?p=107818"},"modified":"2023-04-13T08:25:11","modified_gmt":"2023-04-13T06:25:11","slug":"opublikovan-netflow-kollektor-xenoeye","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/opublikovan-netflow-kollektor-xenoeye","title":{"rendered":"Megjelent a Netflow-gy\u0171jt\u0151, a Xenoeye","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>El\u00e9rhet\u0151 a Netflow-gy\u0171jt\u0151, a Xenoeye, amely lehet\u0151v\u00e9 teszi a k\u00fcl\u00f6nb\u00f6z\u0151 h\u00e1l\u00f3zati eszk\u00f6z\u00f6kt\u0151l sz\u00e1rmaz\u00f3 forgalmi statisztik\u00e1k gy\u0171jt\u00e9s\u00e9t Netflow v9 \u00e9s IPFIX protokollok haszn\u00e1lat\u00e1val, az adatok feldolgoz\u00e1s\u00e1t, jelent\u00e9sek gener\u00e1l\u00e1s\u00e1t \u00e9s grafikonok k\u00e9sz\u00edt\u00e9s\u00e9t. Emellett a gy\u0171jt\u0151 felhaszn\u00e1l\u00f3i szkriptek futtat\u00e1s\u00e1ra is k\u00e9pes a k\u00fcsz\u00f6b\u00e9rt\u00e9kek t\u00fall\u00e9p\u00e9se eset\u00e9n. A projekt magv\u00e1t C nyelven \u00edrt\u00e1k, a k\u00f3d ISC licensz alatt terjesztett.    <\/p>\n<p>A gy\u0171jt\u0151 jellemz\u0151i:  <\/p>\n<ul>\n<li class=\"l\"> A sz\u00fcks\u00e9ges Netflow-mez\u0151k alapj\u00e1n aggreg\u00e1lt adatok PostgreSQL-be export\u00e1l\u00f3dnak. Az el\u0151zetes aggreg\u00e1ci\u00f3 a gy\u0171jt\u0151n bel\u00fcl t\u00f6rt\u00e9nik.\n<li class=\"l\"> Alap\u00e9rtelmez\u00e9s szerint csak az alapvet\u0151 Netflow-mez\u0151k t\u00e1mogatottak, de szinte b\u00e1rmilyen mez\u0151 hozz\u00e1adhat\u00f3.\n<li class=\"l\"> A gy\u0171jt\u0151 teljes\u00edtm\u00e9nye a forgalom \u00e9s a jelent\u00e9sek jelleg\u00e9t\u0151l f\u00fcgg\u0151en el\u00e9rheti a t\u00f6bb sz\u00e1zezer &#171;flows per second&#187; egy CPU-n. A terhel\u00e9seloszt\u00e1si modell &#8212; eszk\u00f6z (router) szerint folyamonk\u00e9nt.\n<li class=\"l\"> A gy\u0171jt\u0151 mozg\u00f3\u00e1tlagokat haszn\u00e1l a forgalom sebess\u00e9g\u00e9nek t\u00fall\u00e9p\u00e9s\u00e9nek kisz\u00e1m\u00edt\u00e1s\u00e1ra.\n<li class=\"l\"> A gy\u0171jt\u0151 haszn\u00e1lhat\u00f3 fert\u0151z\u00f6tt hosztok keres\u00e9s\u00e9re (spam k\u00fcld\u0151, HTTP(S)-\u00e1rv\u00edz, SSH-keres\u0151k), valamint a DoS\/DDoS-t\u00e1mad\u00e1sok sor\u00e1n bek\u00f6vetkez\u0151 hirtelen fell\u00e9p\u00e9sek meghat\u00e1roz\u00e1s\u00e1ra.\n<li class=\"l\"> A h\u00e1l\u00f3zati jelent\u00e9sek k\u00fcl\u00f6nb\u00f6z\u0151 seg\u00e9dprogramokkal vizualiz\u00e1lhat\u00f3k: gnuplot, Python + Matplotlib seg\u00edts\u00e9g\u00e9vel, Grafana haszn\u00e1lat\u00e1val.\n<li class=\"l\"> Sok modern gy\u0171jt\u0151vel ellent\u00e9tben a projekt nem haszn\u00e1l Apache Kafka-t, Elastic-et stb., a f\u0151 sz\u00e1m\u00edt\u00e1sok a gy\u0171jt\u0151n bel\u00fcl zajlanak.  <\/ul>\n<p>Forr\u00e1s: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=58958\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d Netflow-\u043a\u043e\u043b\u043b\u0435\u043a\u0442\u043e\u0440 Xenoeye, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u0438\u0440\u0430\u0442\u044c \u0441 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0441\u0442\u0430\u0442\u0438\u0441\u0442\u0438\u043a\u0443 \u043e \u043f\u043e\u0442\u043e\u043a\u0430\u0445 \u0442\u0440\u0430\u0444\u0438\u043a\u0430, \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0435\u043c\u0443\u044e \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 Netflow v9 \u0438 IPFIX, \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0435, \u0433\u0435\u043d\u0435\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043e\u0442\u0447\u0451\u0442\u044b \u0438 \u0441\u0442\u0440\u043e\u0438\u0442\u044c \u0433\u0440\u0430\u0444\u0438\u043a\u0438. \u041a\u0440\u043e\u043c\u0435 \u044d\u0442\u043e\u0433\u043e, \u043a\u043e\u043b\u043b\u0435\u043a\u0442\u043e\u0440 \u043c\u043e\u0436\u0435\u0442 \u0437\u0430\u043f\u0443\u0441\u043a\u0430\u0442\u044c \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0438\u0435 \u0441\u043a\u0440\u0438\u043f\u0442\u044b \u043f\u0440\u0438 \u043f\u0440\u0435\u0432\u044b\u0448\u0435\u043d\u0438\u0438 \u043f\u043e\u0440\u043e\u0433\u043e\u0432. \u042f\u0434\u0440\u043e \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u043e \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421, \u043a\u043e\u0434 \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 ISC. \u041e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0438 \u043a\u043e\u043b\u043b\u0435\u043a\u0442\u043e\u0440\u0430: \u0410\u0433\u0440\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u043f\u043e \u043d\u0443\u0436\u043d\u044b\u043c [&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-107818","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=\"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d Netflow-\u043a\u043e\u043b\u043b\u0435\u043a\u0442\u043e\u0440 Xenoeye, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0441\u043e\u0431\u0438\u0440\u0430\u0442\u044c \u0441 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0441\u0442\u0430\u0442\u0438\u0441\u0442\u0438\u043a\u0443 \u043e 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