{"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\/sl\/blog\/news\/vypusk-netflow-ipfix-sflow-kollektora-xenoeye-25-02","title":{"rendered":"Izdaja zbiralnika Netflow\/IPFIX\/sFlow Xenoeye 25.02","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Objavljen je izdanak zbirke Netflow\/IPFIX\/sFlow kolektora Xenoeye 25.02. Kolektor omogu\u0107ava prikupljanje statistike o tokovima sa raznih mre\u017enih ure\u0111aja, prenose\u0107i podatke koriste\u0107i Netflow v5, v9, IPFIX i sFlow protokole, obra\u0111uje podatke, generi\u0161e izve\u0161taje i stvara grafikone. Jezgro projekta je napisano na C jeziku, a kod se distribuira pod ISC licencom.    <\/p>\n<p>Kolektor agregira mre\u017eni saobra\u0107aj prema odabranim poljima i izvozi podatke u PostgreSQL. Na osnovu ovih podataka mogu se kreirati izve\u0161taji, grafikon (koriste\u0107i gnuplot, skripte na Pythonu + Matplotlib) ili nadzorne plo\u010de u Grafani. Pored toga, kolektor mo\u017ee pokretati korisni\u010dke skripte kada se prekora\u010de ili padnu ispod odre\u0111enih pragova.   <center><img decoding=\"async\" alt=\"Izdaja zbiralnika Netflow\/IPFIX\/sFlow Xenoeye 25.02\" src=\"\/wp-content\/uploads\/2025\/02\/14036e9ad0314171ccf650634a98353e.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>    <\/p>\n<p>Za izra\u010dunavanje trenutne brzine saobra\u0107aja koriste se pokretne srednje vrednosti. Mehanizam koji prati prekora\u010denja pragova namenjen je obave\u0161tavanju o DoS\/DDoS napadima i pokretanju potiskivanja kori\u0161\u0107enjem BGP ogla\u0161avanja (Flowspec ili Blackhole). Uz kolektor dolazi primer Telegram bota koji mo\u017ee obave\u0161tavati o anomalijama putem mesind\u017eera. Kolektor nije zahtevan prema resursima, mo\u017ee obra\u0111ivati saobra\u0107aj malih mre\u017ea na Raspberry\/Orange Pi ili u virtuelnoj ma\u0161ini sa 2-4GB RAM-a.      <\/p>\n<p>Spremembe v novi razli\u010dici:  <\/p>\n<ul>\n<li class=\"l\"> Dodata je podr\u0161ka za sFlow protokol, za koji je implementirana mogu\u0107nost parsiranja sadr\u017eaja mre\u017enih paketa i izdvajanja informacija o DNS i TLS (HTTPS) SNI. Hosting provajderi i vlasnici data centara mogu koristiti ovu mogu\u0107nost za borbu protiv phishinga i procenu toga koji <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sl\/domain\/\"   title=\"domena\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"4065\">domena<\/a> sajtovi se hostuju u mre\u017ei.\n<li class=\"l\"> Dodana je podpora za vgrajene\/hierarhi\u010dne objekte za nadzor, kar poenostavi nekatere nastavitve z veliko objekti in pove\u010da u\u010dinkovitost obdelave v primerjavi s 'ploskim' seznamom objektov za nadzor.\n<li class=\"l\"> Dodana je mo\u017enost razvr\u0161\u010danja vmesnikov \u2014 promet izbranih omre\u017enih vmesnikov usmerjevalnikov ali stikal je mogo\u010de ignorirati ali obdelati na poseben na\u010din.\n<li class=\"l\"> Dodana je mogu\u0107nost pra\u0107enja ne samo naleta saobra\u0107aja, ve\u0107 i padova ispod pragova, \u0161to mo\u017ee biti korisno za indirektno pra\u0107enje pojedina\u010dnih <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/sl\/server\/\"   title=\"stre\u017enikov\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1750\">stre\u017enikov<\/a> ili servisa.\n<li class=\"l\"> Dodana je mo\u017enost spreminjanja pragov prometa brez ponovnega zagona zbiralnika. Mehanizem je namenjen situacijam, ko uporabniki samodejno izra\u010dunavajo pragove na podlagi statistike preteklih obdobij in ob\u010dasno posodabljajo pragove v zbiralniku.\n<li class=\"l\"> Dodan je LXC-kontejner za hitro izvajanje in testiranje zbiralnika. V kontejner so vklju\u010deni zbiralnik s prednastavljenimi monitornimi objekti, PostgreSQL in Grafana.  <\/ul>\n<p>Izvor: <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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