{"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\/et\/blog\/news\/vypusk-netflow-ipfix-sflow-kollektora-xenoeye-25-02","title":{"rendered":"Netflow\/IPFIX\/sFlow koguja Xenoeye v\u00e4ljaanne 25.02","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Avaldatud on Netflow\/IPFIX\/sFlow kogumise Xenoeye 25.02 versioon. Koguja v\u00f5imaldab koguda erinevatelt v\u00f5rguseadmetelt liiklusvoogude statistikat, mis edastatakse Netflow v5, v9, IPFIX ja sFlow protokollide abil, t\u00f6\u00f6delda andmeid, genereerida aruandeid ja koostada graafikuid. Projekti tuum on kirjutatud C keeles, kood levitatakse ISC litsentsi alusel.    <\/p>\n<p>Koguja agregeerib v\u00f5rguliiklust valitud v\u00e4ljade j\u00e4rgi ja ekspordib andmed PostgreSQL-i. Nende andmete p\u00f5hjal saab koostada aruandeid, graafikuid (kasutades gnuplot'i, Python + Matplotlib skripte) v\u00f5i armatuurlaudu Grafanas. Lisaks sellele v\u00f5ib koguja k\u00e4ivitada kasutaja skripte, kui l\u00e4venditest \u00fcletatakse v\u00f5i kui liiklus langeb madalamale l\u00e4vendist.   <center><img decoding=\"async\" alt=\"Netflow\/IPFIX\/sFlow koguja Xenoeye v\u00e4ljaanne 25.02\" src=\"\/wp-content\/uploads\/2025\/02\/14036e9ad0314171ccf650634a98353e.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>Aegade hetkelise liikluskiirusena kasutatakse libisevaid keskmisi. Mehhanism, mis j\u00e4lgib l\u00e4ve \u00fcletamist, on m\u00f5eldud DoS\/DDoS-r\u00fcnnakutest teavitamiseks ja BGP-teateid (Flowspec v\u00f5i Blackhole) abil summutamise k\u00e4ivitamiseks. Kogujaga tuleb kaasa n\u00e4idis Telegrami roboti skript, mis suudab teavitada messenger\u2019is anomaaliatest. Koguja ei ole ressursin\u00f5udlik, see suudab t\u00f6\u00f6delda v\u00e4ikeste v\u00f5rkude liiklust Raspberry\/Orange Pi v\u00f5i virtuaalmasinas, kus on 2\u20134 GB RAM-i.      <\/p>\n<p>Uue versiooni muudatused:  <\/p>\n<ul>\n<li class=\"l\"> Lisatud on tugi sFlow protokollile, mille jaoks on rakendatud v\u00f5imalust anal\u00fc\u00fcsida v\u00f5rgupakettide sisu (payload) ja seal olevat teavet DNS-i ja TLS-i (HTTPS) SNI kohta. Hostid ja andmekeskuste omanikud v\u00f5ivad kasutada seda v\u00f5imalust phishingu vastu v\u00f5itlemiseks ja selle hindamiseks, millised <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/domain\/\"   title=\"domeenid\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4065\">domeenid<\/a> ja saidid on v\u00f5rgus majutatud.\n<li class=\"l\"> Lisatud on toe pesastatud\/ierarhiiliste j\u00e4lgimisobjektide jaoks, mis lihtsustavad teatud konfiguratsioone suure hulga objektidega ja parandavad t\u00f6\u00f6tlemise j\u00f5udlust v\u00f5rreldes &#171;tasapinnalise&#187; objektiloendiga.\n<li class=\"l\"> Lisatud on liideste klassifitseerimise v\u00f5imalus \u2014 valitud v\u00f5rgu liideste marsruuterite v\u00f5i l\u00fclitite liiklust saab ignoreerida v\u00f5i t\u00f6\u00f6delda eriliselt.\n<li class=\"l\"> Lisatud on v\u00f5imalus j\u00e4lgida mitte ainult liikluspiike, vaid ka langusi alla l\u00e4ve, mis v\u00f5ib olla kasulik eraldi <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/et\/server\/\"   title=\"serverid\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1750\">serverid<\/a> v\u00f5i teenuste j\u00e4lgimiseks.\n<li class=\"l\"> Lisatud on v\u00f5imalus muuta liikluspiiranguid ilma kogujat taask\u00e4ivitamata. Mehhanism on m\u00f5eldud olukordade jaoks, kus kasutajad arvutavad piirangud automaatselt, tuginedes varasemate perioodide statistikale, ja uuendavad perioodiliselt piiranguid kogujas.\n<li class=\"l\"> Lisatud on LXC-konteiner kiireks koguja juurutamiseks ja testimiseks. Konteiner sisaldab kogijat, millel on eelnevalt paigaldatud j\u00e4lgimisobjektid, PostgreSQL ja Grafana.  <\/ul>\n<p>Allikas: <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 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" 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