{"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\/cs\/blog\/news\/vypusk-keshiruyushego-dns-servera-powerdns-recursor-4-6-0","title":{"rendered":"Vyd\u00e1n\u00ed ke\u0161uj\u00edc\u00edho DNS serveru PowerDNS Recursor 4.6.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Dostupn\u00e1 je verze ke\u0161uj\u00edc\u00edho DNS serveru PowerDNS Recursor 4.6, kter\u00fd zaji\u0161\u0165uje rekurzivn\u00ed p\u0159eklad jmen. PowerDNS Recursor je postaven na stejn\u00e9 k\u00f3dov\u00e9 z\u00e1kladn\u011b jako PowerDNS Authoritative Server, ale rekurzivn\u00ed a autoritativn\u00ed DNS servery PowerDNS se vyv\u00edjej\u00ed v r\u00e1mci r\u016fzn\u00fdch v\u00fdvojov\u00fdch cykl\u016f a vyd\u00e1vaj\u00ed se ve form\u011b samostatn\u00fdch produkt\u016f. K\u00f3d projektu je \u0161\u00ed\u0159en pod licenc\u00ed GPLv2.     <\/p>\n<p>Server poskytuje prost\u0159edky pro vzd\u00e1len\u00e9 shroma\u017e\u010fov\u00e1n\u00ed statistik, podporuje okam\u017eit\u00e9 restartov\u00e1n\u00ed, m\u00e1 vestav\u011bn\u00fd engine pro p\u0159ipojen\u00ed zpracovatel\u016f v jazyce Lua, pln\u011b podporuje DNSSEC, DNS64, RPZ (Response Policy Zones) a umo\u017e\u0148uje p\u0159ipojen\u00ed \u010dern\u00fdch seznam\u016f. Existuje mo\u017enost zaznamen\u00e1vat v\u00fdsledky rezolvingu ve form\u011b soubor\u016f z\u00f3n BIND. Pro zaji\u0161t\u011bn\u00ed vysok\u00e9ho v\u00fdkonu se pou\u017e\u00edvaj\u00ed modern\u00ed mechanismy multiplexov\u00e1n\u00ed spojen\u00ed ve FreeBSD, Linuxu a Solaris (kqueue, epoll, \/dev\/poll), stejn\u011b jako vysoce v\u00fdkonn\u00fd parser DNS paket\u016f, schopn\u00fd zpracov\u00e1vat des\u00edtky tis\u00edc paraleln\u00edch dotaz\u016f.       <\/p>\n<p>V nov\u00e9 verzi:  <\/p>\n<ul>\n<li class=\"l\"> Byla p\u0159id\u00e1na funkce \u201eZone to Cache\u201c, kter\u00e1 umo\u017e\u0148uje periodicky extrahovat DNS z\u00f3nu a vlo\u017eit jej\u00ed obsah do mezipam\u011bti, aby byla mezipam\u011b\u0165 v\u017edy v \u201ehork\u00e9m\u201c stavu a obsahovala \u00fadaje souvisej\u00edc\u00ed se z\u00f3nou. Funkce m\u016f\u017ee b\u00fdt pou\u017eita s jak\u00fdmkoli typem z\u00f3n, v\u010detn\u011b ko\u0159enov\u00fdch. Extrakce z\u00f3ny m\u016f\u017ee b\u00fdt prov\u00e1d\u011bna pomoc\u00ed DNS AXFR, HTTP, HTTPS nebo na\u010dten\u00edm z m\u00edstn\u00edho souboru.\n<li class=\"l\"> Byla poskytnuta mo\u017enost vymaz\u00e1n\u00ed z\u00e1znam\u016f z cache p\u0159i obdr\u017een\u00ed p\u0159\u00edchoz\u00edch notifika\u010dn\u00edch dotaz\u016f.\n<li class=\"l\"> Byla p\u0159id\u00e1na podpora \u0161ifrov\u00e1n\u00ed dotaz\u016f na DNS servery pomoc\u00ed DoT (DNS over TLS). Ve v\u00fdchoz\u00edm nastaven\u00ed je DoT povoleno p\u0159i zad\u00e1n\u00ed portu 853 pro DNS Forwarder nebo p\u0159i explicitn\u00edm uveden\u00ed DNS server\u016f prost\u0159ednictv\u00edm parametru dot-to-auth-names. Kontrola certifik\u00e1t\u016f prozat\u00edm prob\u00edh\u00e1 a automatick\u00e9 p\u0159ep\u00edn\u00e1n\u00ed na DoT p\u0159i jeho podpo\u0159e DNS serverem (uveden\u00e9 mo\u017enosti budou zahrnuty po schv\u00e1len\u00ed standardiza\u010dn\u00edm v\u00fdborem).\n<li class=\"l\"> Byl p\u0159eps\u00e1n k\u00f3d pro vytv\u00e1\u0159en\u00ed v\u00fdchoz\u00edch TCP spojen\u00ed, p\u0159id\u00e1na mo\u017enost op\u011btovn\u00e9ho pou\u017eit\u00ed spojen\u00ed. Pro op\u011btovn\u00e9 pou\u017eit\u00ed TCP spojen\u00ed (a DoT) spojen\u00ed nyn\u00ed nejsou uzav\u00edr\u00e1na ihned po zpracov\u00e1n\u00ed dotazu, ale na n\u011bjakou dobu z\u016fst\u00e1vaj\u00ed otev\u0159en\u00e1 (chov\u00e1n\u00ed je regulov\u00e1no nastaven\u00edm tcp-out-max-idle-ms).\n<li class=\"l\"> Byl roz\u0161\u00ed\u0159en rozsah shrom\u00e1\u017ed\u011bn\u00fdch a exportovan\u00fdch metrik se statistick\u00fdmi a informa\u010dn\u00edmi \u00fadaji pro monitorovac\u00ed syst\u00e9my.\n<li class=\"l\"> Byla p\u0159id\u00e1na experiment\u00e1ln\u00ed funkce sledov\u00e1n\u00ed ud\u00e1lost\u00ed (Event Tracing), kter\u00e1 umo\u017e\u0148uje z\u00edskat podrobn\u00e9 informace o dob\u011b trv\u00e1n\u00ed ka\u017ed\u00e9 f\u00e1ze rozli\u0161en\u00ed.<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 5.0.3 - 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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