{"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\/it\/blog\/news\/vypusk-netflow-ipfix-sflow-kollektora-xenoeye-25-02","title":{"rendered":"Uscita del raccoglitore Netflow\/IPFIX\/sFlow Xenoeye il 25.02","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>\u00c8 stato pubblicato il rilascio del collezionista Netflow\/IPFIX\/sFlow Xenoeye 25.02. Il collezionista permette di raccogliere dalle varie apparecchiature di rete statistiche sul flusso di traffico, trasmesse utilizzando i protocolli Netflow v5, v9, IPFIX e sFlow, elaborare i dati, generare report e costruire grafici. Il nucleo del progetto \u00e8 scritto in C, il codice \u00e8 distribuito con licenza ISC.    <\/p>\n<p>Il collezionista aggrega il traffico di rete in base ai campi selezionati ed esporta i dati in PostgreSQL. Questi dati possono essere utilizzati per costruire report, grafici (utilizzando gnuplot, script in Python + Matplotlib) o dashboard in Grafana. Inoltre, il collezionista pu\u00f2 eseguire script personalizzati quando vengono superati i limiti o quando il traffico scende al di sotto delle soglie.   <center><img decoding=\"async\" alt=\"Uscita del raccoglitore Netflow\/IPFIX\/sFlow Xenoeye il 25.02\" src=\"\/wp-content\/uploads\/2025\/02\/14036e9ad0314171ccf650634a98353e.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>Per calcolare la velocit\u00e0 attuale del traffico vengono utilizzate medie mobili. Il meccanismo che monitora l'oltrepassare delle soglie \u00e8 progettato per avvisare sulle attacchi DoS\/DDoS e attivare la mitigazione tramite annunci BGP (Flowspec o Blackhole). Insieme al collezionista viene fornito un esempio di script per un bot Telegram, che pu\u00f2 inviare avvisi nel messenger su anomalie. Il collezionista non \u00e8 esigente in termini di risorse, pu\u00f2 elaborare il traffico di piccole reti su Raspberry\/Orange Pi o in una macchina virtuale con 2-4 GB di RAM.      <\/p>\n<p>Modifiche nella nuova versione:  <\/p>\n<ul>\n<li class=\"l\"> \u00c8 stata aggiunta la supporto per il protocollo sFlow, per il quale \u00e8 stata realizzata la possibilit\u00e0 di analizzare il payload dei pacchetti di rete ed estrarre informazioni su DNS e TLS (HTTPS) SNI. I provider e i proprietari di data center possono utilizzare questa funzionalit\u00e0 per combattere il phishing e valutare quali <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/domain\/\"   title=\"domini\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4065\">domini<\/a> siti sono ospitati nella rete.\n<li class=\"l\"> \u00c8 stata aggiunta la supporto per oggetti di monitoraggio annidati\/gerarchici, che semplificano alcune configurazioni con un gran numero di oggetti e aumentano le prestazioni di elaborazione rispetto a un elenco di oggetti di monitoraggio \"piatto\".\n<li class=\"l\"> \u00c8 stata aggiunta la possibilit\u00e0 di classificare le interfacce: il traffico delle interfacce di rete selezionate di router o switch pu\u00f2 essere ignorato o gestito in modo specifico.\n<li class=\"l\"> \u00c8 stata aggiunta la possibilit\u00e0 di monitorare non solo i picchi di traffico, ma anche i cali al di sotto delle soglie, il che pu\u00f2 essere utile per il monitoraggio indiretto di singoli <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1750\">server<\/a> o servizi.\n<li class=\"l\"> \u00c8 stata aggiunta la possibilit\u00e0 di modificare le soglie di traffico senza riavviare il collezionista. Questo meccanismo \u00e8 progettato per situazioni in cui gli utenti calcolano automaticamente le soglie in base alle statistiche dei periodi precedenti e aggiornano periodicamente le soglie nel collezionista.\n<li class=\"l\"> \u00c8 stato aggiunto un container LXC per il rapido deployment e testing del collezionista. Il container include il collezionista con oggetti di monitoraggio preinstallati, PostgreSQL e Grafana.  <\/ul>\n<p>Fonte: <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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