{"id":122015,"date":"2025-02-20T14:22:14","date_gmt":"2025-02-20T12:22:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-netflow-ipfix-sflow-kollektora-xenoeye-25-02"},"modified":"2025-02-20T14:22:14","modified_gmt":"2025-02-20T12:22:15","slug":"vypusk-netflow-ipfix-sflow-kollektora-xenoeye-25-02","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-netflow-ipfix-sflow-kollektora-xenoeye-25-02","title":{"rendered":"Vydanie zbernice Netflow\/IPFIX\/sFlow kolektora Xenoeye 25.02","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Bola vydan\u00e1 verzia collectora Netflow\/IPFIX\/sFlow Xenoeye 25.02. Collector umo\u017e\u0148uje zbiera\u0165 \u0161tatistiku o pr\u00fadoch prev\u00e1dzky z r\u00f4znych sie\u0165ov\u00fdch zariaden\u00ed, pren\u00e1\u0161an\u00fa pomocou protokolov Netflow v5, v9, IPFIX a sFlow, spracov\u00e1va\u0165 \u00fadaje, generova\u0165 spr\u00e1vy a vytv\u00e1ra\u0165 grafy. Jadro projektu je nap\u00edsan\u00e9 v jazyku C, k\u00f3d je \u0161\u00edren\u00fd pod licenciou ISC.    <\/p>\n<p>Collector agreguje sie\u0165ov\u00fd prev\u00e1dzku pod\u013ea vybran\u00fdch pol\u00ed a exportuje \u00fadaje do PostgreSQL. Na z\u00e1klade t\u00fdchto \u00fadajov je mo\u017en\u00e9 vytv\u00e1ra\u0165 spr\u00e1vy, grafy (pou\u017eit\u00edm gnuplot, skriptov v Pythone + Matplotlib) alebo dashboardy v Grafane. Okrem toho m\u00f4\u017ee collector sp\u00fa\u0161\u0165a\u0165 pou\u017e\u00edvate\u013esk\u00e9 skripty pri prekro\u010den\u00ed prahov\u00fdch hodn\u00f4t alebo poklese prev\u00e1dzky pod prahov\u00e9 hodnoty.   <center><img decoding=\"async\" alt=\"Vydanie zbernice Netflow\/IPFIX\/sFlow kolektora Xenoeye 25.02\" src=\"\/wp-content\/uploads\/2025\/02\/14036e9ad0314171ccf650634a98353e.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>Na v\u00fdpo\u010det aktu\u00e1lnej r\u00fdchlosti prev\u00e1dzky sa pou\u017e\u00edvaj\u00fa k\u013azav\u00e9 priemery. Mechanizmus, ktor\u00fd sleduje prekro\u010denie prahov\u00fdch hodn\u00f4t, sl\u00fa\u017ei na upozornenie na DoS\/DDoS \u00fatoky a sp\u00fa\u0161\u0165a potla\u010denie pomocou BGP oznamov (Flowspec alebo Blackhole). Spolu s collectorom je dod\u00e1van\u00fd pr\u00edklad skriptu Telegram robota, ktor\u00fd m\u00f4\u017ee upozor\u0148ova\u0165 na anom\u00e1lie v messengeri. Collector nie je n\u00e1ro\u010dn\u00fd na zdroje, dok\u00e1\u017ee spracov\u00e1va\u0165 prev\u00e1dzku mal\u00fdch siet\u00ed na Raspberry\/Orange Pi alebo vo virtu\u00e1lnom stroji s 2-4 GB pam\u00e4te.      <\/p>\n<p>Zmeny v novej verzii:  <\/p>\n<ul>\n<li class=\"l\"> Pridan\u00e1 podpora pre protokol sFlow, pre ktor\u00fd bola implementovan\u00e1 mo\u017enos\u0165 parsova\u0165 obsah (payload) sie\u0165ov\u00fdch paketov a extrahova\u0165 z neho inform\u00e1cie o DNS a TLS (HTTPS) SNI. Hostitelia a vlastn\u00edci d\u00e1tov\u00fdch centier m\u00f4\u017eu t\u00fato mo\u017enos\u0165 vyu\u017ei\u0165 na boj proti phishingu a na pos\u00fadenie toho, ak\u00e9 <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/domain\/\"   title=\"dom\u00e9ny\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4065\">dom\u00e9ny<\/a> a webov\u00e9 str\u00e1nky s\u00fa hosten\u00e9 v sieti.\n<li class=\"l\"> Pridan\u00e1 podpora pre vnoren\u00e9\/iherarchick\u00e9 objekty monitorovania, \u010do umo\u017e\u0148uje zjednodu\u0161i\u0165 niektor\u00e9 konfigur\u00e1cie s ve\u013ek\u00fdm po\u010dtom objektov a zlep\u0161i\u0165 v\u00fdkon spracovania v porovnan\u00ed s &#171;ploch\u00fdm&#187; zoznamom objektov monitorovania.\n<li class=\"l\"> Pridan\u00e1 mo\u017enos\u0165 klasifik\u00e1cie rozhran\u00ed \u2014 prev\u00e1dzku vybran\u00fdch sie\u0165ov\u00fdch rozhran\u00ed routerov alebo prep\u00edna\u010dov je mo\u017en\u00e9 ignorova\u0165 alebo spracov\u00e1va\u0165 \u0161peci\u00e1lnym sp\u00f4sobom.\n<li class=\"l\"> Pridan\u00e1 mo\u017enos\u0165 sledova\u0165 nielen v\u00fdbuchy prev\u00e1dzky, ale aj pokles pod prahov\u00e9 hodnoty, \u010do m\u00f4\u017ee by\u0165 u\u017eito\u010dn\u00e9 pre nepriame monitorovanie jednotliv\u00fdch <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sk\/server\/\"   title=\"serverov\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1750\">serverov<\/a> alebo slu\u017eieb.\n<li class=\"l\"> Pridan\u00e1 mo\u017enos\u0165 meni\u0165 prahov\u00e9 hodnoty prev\u00e1dzky bez re\u0161tartu zberate\u013ea. Mechanizmus je ur\u010den\u00fd pre situ\u00e1cie, ke\u010f pou\u017e\u00edvatelia automaticky vypo\u010d\u00edtavaj\u00fa prahy na z\u00e1klade \u0161tatistiky z predch\u00e1dzaj\u00facich obdob\u00ed a pravidelne aktualizuj\u00fa prahy v zberate\u013eovi.\n<li class=\"l\"> Pridan\u00fd LXC kontajner pre r\u00fdchle nasadenie a testovanie zberate\u013ea. V kontajneri je zberate\u013e s predin\u0161talovan\u00fdmi objektmi monitorovania, PostgreSQL a Grafana.  <\/ul>\n<p>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=62757\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 Netflow\/IPFIX\/sFlow \u043a\u043e\u043b\u043b\u0435\u043a\u0442\u043e\u0440\u0430 Xenoeye 25.02. \u041a\u043e\u043b\u043b\u0435\u043a\u0442\u043e\u0440 \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 v5, v9, IPFIX \u0438 sFlow, \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. \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. \u041a\u043e\u043b\u043b\u0435\u043a\u0442\u043e\u0440 \u0430\u0433\u0440\u0435\u0433\u0438\u0440\u0443\u0435\u0442 \u0441\u0435\u0442\u0435\u0432\u043e\u0439 \u0442\u0440\u0430\u0444\u0438\u043a \u043f\u043e \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u044b\u043c \u043f\u043e\u043b\u044f\u043c \u0438 \u044d\u043a\u0441\u043f\u043e\u0440\u0442\u0438\u0440\u0443\u0435\u0442 \u0434\u0430\u043d\u043d\u044b\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":122016,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-122015","post","type-post","status-publish","format-standard","has-post-thumbnail","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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