{"id":102670,"date":"2021-12-20T15:36:51","date_gmt":"2021-12-20T13:36:51","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-keshiruyushego-dns-servera-powerdns-recursor-4-6-0"},"modified":"2021-12-20T15:36:51","modified_gmt":"2021-12-20T13:36:51","slug":"vypusk-keshiruyushego-dns-servera-powerdns-recursor-4-6-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-keshiruyushego-dns-servera-powerdns-recursor-4-6-0","title":{"rendered":"Vydanie cacheuj\u00faceho DNS servera PowerDNS Recursor 4.6.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Je dostupn\u00e1 verzia cacheovacieho DNS servera PowerDNS Recursor 4.6, ktor\u00fd zodpoved\u00e1 za rekurz\u00edvne premenovanie mien. PowerDNS Recursor je postaven\u00fd na jednom k\u00f3dovom z\u00e1klade s PowerDNS Authoritative Server, ale rekurz\u00edvne a autoritat\u00edvne DNS servery PowerDNS sa vyv\u00edjaj\u00fa v r\u00e1mci r\u00f4znych v\u00fdvojov\u00fdch cyklov a vyd\u00e1vaj\u00fa sa vo forme samostatn\u00fdch produktov. K\u00f3d projektu je distribuovan\u00fd pod licenciou GPLv2.     <\/p>\n<p>Server poskytuje n\u00e1stroje na vzdialen\u00e9 zhroma\u017e\u010fovanie \u0161tatist\u00edk, podporuje okam\u017eit\u00e9 re\u0161tarty, m\u00e1 zabudovan\u00fd engine pre pripojenie spracovate\u013eov v jazyku Lua, plne podporuje DNSSEC, DNS64, RPZ (Response Policy Zones) a umo\u017e\u0148uje pripojenie \u010diernych zoznamov. Existuje mo\u017enos\u0165 z\u00e1pisu v\u00fdsledkov rezolvingu vo forme s\u00faborov z\u00f3n BIND. Na zabezpe\u010denie vysokej v\u00fdkonnosti sa pou\u017e\u00edvaj\u00fa modern\u00e9 mechanizmy multiplexovania spojen\u00ed vo FreeBSD, Linuxe a Solaris (kqueue, epoll, \/dev\/poll), ako aj vysoko v\u00fdkonn\u00fd parser DNS paketov, schopn\u00fd spracov\u00e1va\u0165 desiatky tis\u00edc paraleln\u00fdch po\u017eiadaviek.       <\/p>\n<p>V novej verzii:  <\/p>\n<ul>\n<li class=\"l\"> Bola pridan\u00e1 funkcia \u201eZone to Cache\u201c, ktor\u00e1 umo\u017e\u0148uje periodicky extrahova\u0165 DNS z\u00f3nu a vklada\u0165 jej obsah do cache, aby bola cache v\u017edy v \u201ehor\u00facom\u201c stave a obsahovala s\u00favisiace d\u00e1ta so z\u00f3nou. Funkcia sa m\u00f4\u017ee pou\u017e\u00edva\u0165 s ak\u00fdmko\u013evek typom z\u00f3n, vr\u00e1tane kore\u0148ov\u00fdch. Extrakcia z\u00f3ny sa m\u00f4\u017ee vykon\u00e1va\u0165 pomocou DNS AXFR, HTTP, HTTPS alebo prostredn\u00edctvom nahr\u00e1vania z lok\u00e1lneho s\u00faboru.\n<li class=\"l\"> Poskytla sa mo\u017enos\u0165 resetovania z\u00e1znamov z cache pri pr\u00edchode prich\u00e1dzaj\u00facich notify po\u017eiadaviek.\n<li class=\"l\"> Pridan\u00e1 podpora \u0161ifrovania po\u017eiadaviek na DNS servery pomocou DoT (DNS over TLS). Predvolene sa DoT aktivuje pri ur\u010den\u00ed portu 853 pre DNS Forwarder alebo pri v\u00fdslovnom uveden\u00ed DNS serverov cez parameter dot-to-auth-names. Kontrola certifik\u00e1tov doteraz neprebieha, rovnako ako automatick\u00e9 prepnutie na DoT pri jeho podpore zo strany DNS servera (uveden\u00e9 funkcie bud\u00fa zahrnut\u00e9 po schv\u00e1len\u00ed v\u00fdborom pre \u0161tandardiz\u00e1ciu).\n<li class=\"l\"> Prepisoval sa k\u00f3d pre vytv\u00e1ranie odch\u00e1dzaj\u00facich TCP pripojen\u00ed, pridan\u00e1 mo\u017enos\u0165 op\u00e4tovn\u00e9ho pou\u017eitia pripojen\u00ed. Pre op\u00e4tovn\u00e9 pou\u017eitie TCP (a DoT) sa pripojenia teraz nezatv\u00e1raj\u00fa hne\u010f po spracovan\u00ed po\u017eiadavky, ale na ur\u010dit\u00fd \u010das zost\u00e1vaj\u00fa otvoren\u00e9 (spr\u00e1vanie sa reguluje nastaven\u00edm tcp-out-max-idle-ms).\n<li class=\"l\"> Roz\u0161\u00edren\u00fd rozsah zbieran\u00fdch a exportovan\u00fdch metr\u00edk s \u0161tatistikou a inform\u00e1ciami pre monitorovacie syst\u00e9my.\n<li class=\"l\"> Pridan\u00e1 experiment\u00e1lna funkcia sledovania udalost\u00ed (Event Tracing), ktor\u00e1 umo\u017e\u0148uje z\u00edska\u0165 podrobn\u00e9 inform\u00e1cie o \u010dase vykon\u00e1vania ka\u017edej f\u00e1zy premenovania.<br \/>\n<br \/>Zdroj: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=56380\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043a\u044d\u0448\u0438\u0440\u0443\u044e\u0448\u0435\u0433\u043e DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 PowerDNS Recursor 4.6, \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0435\u0433\u043e \u0437\u0430 \u0440\u0435\u043a\u0443\u0440\u0441\u0438\u0432\u043d\u043e\u0435 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0438\u043c\u0451\u043d. PowerDNS Recursor \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d \u043d\u0430 \u043e\u0434\u043d\u043e\u0439 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u0435 \u0441 PowerDNS Authoritative Server, \u043d\u043e \u0440\u0435\u043a\u0443\u0440\u0441\u0438\u0432\u043d\u044b\u0439 \u0438 \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435\u0442\u043d\u044b\u0439 DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u044b PowerDNS \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u0440\u0430\u0437\u043d\u044b\u0445 \u0446\u0438\u043a\u043b\u043e\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u044e\u0442\u0441\u044f \u0432 \u0444\u043e\u0440\u043c\u0435 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \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 GPLv2. \u0421\u0435\u0440\u0432\u0435\u0440 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u0434\u043b\u044f \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0441\u0431\u043e\u0440\u0430 \u0441\u0442\u0430\u0442\u0438\u0441\u0442\u0438\u043a\u0438, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-102670","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0414\u043e\u0441\u0442\u0443\u043f\u0435\u043d \u0440\u0435\u043b\u0438\u0437 \u043a\u044d\u0448\u0438\u0440\u0443\u044e\u0448\u0435\u0433\u043e DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 PowerDNS Recursor 4.6, \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0435\u0433\u043e \u0437\u0430 \u0440\u0435\u043a\u0443\u0440\u0441\u0438\u0432\u043d\u043e\u0435 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0438\u043c\u0451\u043d.\" \/>\n\t<meta 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