{"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\/pl\/blog\/news\/opublikovan-netflow-kollektor-xenoeye","title":{"rendered":"Opublikowano kolektor Netflow Xenoeye","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dost\u0119pny jest kolektor Netflow Xenoeye, kt\u00f3ry umo\u017cliwia zbieranie statystyk o strumieniach ruchu z r\u00f3\u017cnych urz\u0105dze\u0144 sieciowych, przekazywanego przy u\u017cyciu protoko\u0142\u00f3w Netflow v9 i IPFIX, przetwarzanie danych, generowanie raport\u00f3w oraz tworzenie wykres\u00f3w. Dodatkowo kolektor mo\u017ce uruchamia\u0107 skrypty u\u017cytkownika po przekroczeniu prog\u00f3w. Rdze\u0144 projektu napisany jest w j\u0119zyku C, a kod jest udost\u0119pniany na licencji ISC.    <\/p>\n<p>Cechy kolektora:  <\/p>\n<ul>\n<li class=\"l\"> Dane agregowane wed\u0142ug wymaganych p\u00f3l Netflow s\u0105 eksportowane do PostgreSQL. Wst\u0119pna agregacja odbywa si\u0119 wewn\u0105trz kolektora.\n<li class=\"l\"> Z pude\u0142ka obs\u0142ugiwany jest tylko podstawowy zestaw p\u00f3l Netflow, ale mo\u017cna doda\u0107 niemal ka\u017cde pole.\n<li class=\"l\"> Wydajno\u015b\u0107 kolektora w zale\u017cno\u015bci od charakteru ruchu i raport\u00f3w mo\u017ce osi\u0105gn\u0105\u0107 kilka setek tysi\u0119cy &#171;flows per second&#187; na jednym CPU. Model rozk\u0142adu obci\u0105\u017cenia &#8212; wed\u0142ug urz\u0105dzenia (routera) na strumie\u0144.\n<li class=\"l\"> Kolektor u\u017cywa \u015brednich ruchomych do obliczania przekrocze\u0144 pr\u0119dko\u015bci ruchu.\n<li class=\"l\"> Kolektor mo\u017cna wykorzysta\u0107 do wyszukiwania zainfekowanych host\u00f3w (wysy\u0142aj\u0105cych spam e-mailowy, ataki HTTP(S)-flood, skanery SSH) oraz do identyfikacji nag\u0142ych skok\u00f3w podczas atak\u00f3w DoS\/DDoS.\n<li class=\"l\"> Raporty sieciowe mo\u017cna wizualizowa\u0107 za pomoc\u0105 r\u00f3\u017cnych narz\u0119dzi: gnuplot, skrypty w Pythonie + Matplotlib, wykorzystuj\u0105c Grafana.\n<li class=\"l\"> W przeciwie\u0144stwie do wielu wsp\u00f3\u0142czesnych kolektor\u00f3w w projekcie nie u\u017cywa si\u0119 Apache Kafka, Elastic itp., g\u0142\u00f3wne obliczenia odbywaj\u0105 si\u0119 wewn\u0105trz samego kolektora.  <\/ul>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d 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