{"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\/sv\/blog\/news\/vypusk-netflow-ipfix-sflow-kollektora-xenoeye-25-02","title":{"rendered":"Uteckning av Netflow\/IPFIX\/sFlow-aggregatorn Xenoeye 25.02","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Utgivningen av Netflow\/IPFIX\/sFlow-samlaren Xenoeye 25.02 har publicerats. Samlaren m\u00f6jligg\u00f6r insamling av statistik om trafikfl\u00f6den fr\u00e5n olika n\u00e4tverksenheter, \u00f6verf\u00f6rd med hj\u00e4lp av protokollen Netflow v5, v9, IPFIX och sFlow, bearbetar data, genererar rapporter och skapar diagram. Projektets k\u00e4rna \u00e4r skriven i C, och koden distribueras under ISC-licens.    <\/p>\n<p>Samlaren aggregerar n\u00e4tverkstrafik efter valda f\u00e4lt och exporterar data till PostgreSQL. Baserat p\u00e5 dessa data kan man bygga rapporter, diagram (med hj\u00e4lp av gnuplot, skript p\u00e5 Python + Matplotlib) eller dashboards i Grafana. Dessutom kan samlaren k\u00f6ra anv\u00e4ndarscript n\u00e4r tr\u00f6sklar \u00f6verskrids eller n\u00e4r trafiken faller under tr\u00f6sklar.   <center><img decoding=\"async\" alt=\"Uteckning av Netflow\/IPFIX\/sFlow-aggregatorn Xenoeye 25.02\" src=\"\/wp-content\/uploads\/2025\/02\/14036e9ad0314171ccf650634a98353e.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>F\u00f6r att ber\u00e4kna den aktuella trafikhastigheten anv\u00e4nds glidande medelv\u00e4rden. Mekanismen som \u00f6vervakar tr\u00f6skel\u00f6verskridanden \u00e4r avsedd f\u00f6r att varna om DoS\/DDoS-attacker och starta d\u00e4mpning genom BGP-annonsor (Flowspec eller Blackhole). Tillsammans med samlaren f\u00f6ljer ett exempel p\u00e5 ett Telegram-bot-skript som kan varna i meddelandetj\u00e4nsten om avvikelser. Samlaren \u00e4r inte kr\u00e4vande n\u00e4r det g\u00e4ller resurser; den kan hantera trafik fr\u00e5n sm\u00e5 n\u00e4tverk p\u00e5 Raspberry\/Orange Pi eller i en virtuell maskin med 2-4 GB RAM.      <\/p>\n<p>F\u00f6r\u00e4ndringar i den nya versionen:  <\/p>\n<ul>\n<li class=\"l\"> St\u00f6d f\u00f6r sFlow-protokollet har lagts till, vilket ger m\u00f6jlighet att parsa payload fr\u00e5n n\u00e4tverkspaket och extrahera information om DNS och TLS (HTTPS) SNI. Webbhotell och datacenter\u00e4gare kan anv\u00e4nda denna funktion f\u00f6r att bek\u00e4mpa phishing och utv\u00e4rdera vilka <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/domain\/\"   title=\"dom\u00e4ner\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4065\">dom\u00e4ner<\/a> och webbplatser som hostas i n\u00e4tverket.\n<li class=\"l\"> \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0432\u043b\u043e\u0436\u0435\u043d\u043d\u044b\u0445\/\u0438\u0435\u0440\u0430\u0440\u0445\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0438\u043d\u0433\u0430, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0445 \u0443\u043f\u0440\u043e\u0441\u0442\u0438\u0442\u044c \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u0438 \u0441 \u0431\u043e\u043b\u044c\u0448\u0438\u043c \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e\u043c \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 \u0438 \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0441\u0442\u044c \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u043f\u043e \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u044e \u0441 &#171;\u043f\u043b\u043e\u0441\u043a\u0438\u043c&#187; \u0441\u043f\u0438\u0441\u043a\u043e\u043c \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 \u043c\u043e\u043d\u0438\u0442\u043e\u0440\u0438\u043d\u0433\u0430.\n<li class=\"l\"> \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043a\u043b\u0430\u0441\u0441\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432 &#8212; \u0442\u0440\u0430\u0444\u0438\u043a \u0432\u044b\u0431\u0440\u0430\u043d\u043d\u044b\u0445 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u0432 \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u0438\u0437\u0430\u0442\u043e\u0440\u043e\u0432 \u0438\u043b\u0438 \u043a\u043e\u043c\u043c\u0443\u0442\u0430\u0442\u043e\u0440\u043e\u0432 \u043c\u043e\u0436\u043d\u043e \u0438\u0433\u043d\u043e\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0438\u043b\u0438 \u043e\u0431\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0442\u044c \u0441\u043f\u0435\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c.\n<li class=\"l\"> M\u00f6jligheten att inte bara \u00f6vervaka trafiktoppar, utan \u00e4ven fall under tr\u00f6sklar har lagts till, vilket kan vara anv\u00e4ndbart f\u00f6r indirekt \u00f6vervakning av enskilda <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sv\/server\/\"   title=\"servrar\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1750\">servrar<\/a> eller tj\u00e4nster.\n<li class=\"l\"> M\u00f6jligheten att \u00e4ndra trafikgr\u00e4nser utan att starta om insamlaren har lagts till. Mekanismen \u00e4r avsedd f\u00f6r situationer d\u00e4r anv\u00e4ndare automatiskt ber\u00e4knar gr\u00e4nser baserat p\u00e5 statistik fr\u00e5n tidigare perioder och periodiskt uppdaterar gr\u00e4nserna i insamlaren.\n<li class=\"l\"> En LXC-beh\u00e5llare f\u00f6r snabb distribution och testning av insamlaren har lagts till. Beh\u00e5llaren inneh\u00e5ller insamlaren med f\u00f6rinstallerade \u00f6vervakningsobjekt, PostgreSQL och Grafana.  <\/ul>\n<p>K\u00e4lla: <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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