{"id":38811,"date":"2019-10-31T22:26:06","date_gmt":"2019-10-31T19:26:06","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-dns-servera-knotdns-2-9-0\/"},"modified":"2019-10-31T22:26:06","modified_gmt":"2019-10-31T19:26:06","slug":"vypusk-dns-servera-knotdns-2-9-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-dns-servera-knotdns-2-9-0","title":{"rendered":"Vyd\u00e1n\u00ed DNS serveru KnotDNS 2.9.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/www.knot-dns.cz\/2019-10-10-version-290.html\">Byl zve\u0159ejn\u011bn<\/a><\/noindex> vyd\u00e1n\u00ed <noindex><a rel=\"nofollow\" href=\"https:\/\/www.knot-dns.cz\/\">KnotDNS 2.9.0<\/a><\/noindex>, vysoce v\u00fdkonn\u00e9ho autoritativn\u00edho DNS serveru (rekurzor je realizov\u00e1n jako samostatn\u00e1 aplikace), podporuj\u00edc\u00edho v\u0161echny modern\u00ed funkce DNS. Projekt vyv\u00edj\u00ed \u010desk\u00fd registr jmen CZ.NIC, naps\u00e1n je v jazyce C a <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/CZ-NIC\/knot\">distribuov\u00e1no<\/a><\/noindex> distribuov\u00e1n pod licenc\u00ed GPLv3. <\/p>\n<p>KnotDNS se vyzna\u010duje orientac\u00ed na vysokou v\u00fdkonnost zpracov\u00e1n\u00ed dotaz\u016f, pro co\u017e vyu\u017e\u00edv\u00e1 v\u00edcevl\u00e1knovou a p\u0159ev\u00e1\u017en\u011b neblokuj\u00edc\u00ed implementaci, kter\u00e1 je dob\u0159e \u0161k\u00e1lovateln\u00e1 na SMP syst\u00e9mech. Poskytuje funkce, jako je p\u0159id\u00e1v\u00e1n\u00ed a odstra\u0148ov\u00e1n\u00ed z\u00f3n za b\u011bhu, p\u0159enos z\u00f3n mezi servery, DDNS (dynamick\u00e9 aktualizace), NSID (RFC 5001), roz\u0161\u00ed\u0159en\u00ed EDNS0 a DNSSEC (v\u010detn\u011b NSEC3), omezen\u00ed intenzity odpov\u011bd\u00ed (RRL). <\/p>\n<p>V nov\u00e9m vyd\u00e1n\u00ed:<\/p>\n<ul>\n<li class=\"l\"> Byla zaji\u0161t\u011bna pln\u00e1 podpora r\u016fzn\u00fdch v\u00fdpo\u010dt\u016f s\u00e9riov\u00fdch \u010d\u00edsel (SOA) pro z\u00f3nu na master a slave serverech, p\u0159i pou\u017eit\u00ed na slave serveru je z\u00f3na podeps\u00e1na digit\u00e1ln\u00edm podpisem;\n<li class=\"l\"> Do modulu geoip byla p\u0159id\u00e1na podpora z\u00e1znam\u016f se z\u00e1stupn\u00fdmi symboly (wildcard);\n<li class=\"l\"> Pro DNSSEC byla p\u0159id\u00e1na nov\u00e1 nastaven\u00ed \u2018rrsig-pre-refresh\u2019 pro sn\u00ed\u017een\u00ed frekvence ud\u00e1lost\u00ed podepisov\u00e1n\u00ed z\u00f3ny digit\u00e1ln\u00edm podpisem;\n<li class=\"l\"> Bylo p\u0159id\u00e1no nastaven\u00ed \u201etcp-reuseport\u201c pro nastaven\u00ed re\u017eimu SO_REUSEPORT(_LB) pro TCP sokety;\n<li class=\"l\"> Bylo p\u0159id\u00e1no nastaven\u00ed \u201etcp-io-timeout\u201c pro omezen\u00ed doby trv\u00e1n\u00ed p\u0159\u00edchoz\u00edch operac\u00ed vstupu a v\u00fdstupu nad TCP;\n<li class=\"l\"> V\u00fdrazn\u011b se zv\u00fd\u0161ila v\u00fdkonnost operac\u00ed zm\u011bny obsahu z\u00f3ny;\n<li class=\"l\"> Byla ukon\u010dena podpora p\u0159ekonfigurace s\u00ed\u0165ov\u00fdch rozhran\u00ed a zpracovatel\u016f, jakmile nemohou b\u00fdt prov\u00e1d\u011bny po resetu procesu opr\u00e1vn\u011bn\u00ed;\n<li class=\"l\"> Byla p\u0159epracov\u00e1na implementace DNS Cookies pro \u00faplnou shodu s n\u00e1vrhovou specifikac\u00ed draft-ietf-dnsop-server-cookies;\n<li class=\"l\"> Ve v\u00fdchoz\u00edm nastaven\u00ed je omezen\u00ed po\u010dtu TCP p\u0159ipojen\u00ed nyn\u00ed omezeno na polovinu syst\u00e9mov\u00e9ho limitu pro po\u010det souborov\u00fdch popisova\u010d\u016f, a maxim\u00e1ln\u00ed po\u010det otev\u0159en\u00fdch soubor\u016f je 1048576;\n<li class=\"l\"> P\u0159i v\u00fdb\u011bru po\u010dtu spou\u0161t\u011bn\u00fdch zpracovatel\u016f se nyn\u00ed pou\u017e\u00edv\u00e1 \u010d\u00edslo CPU, ale minim\u00e1ln\u011b 10;\n<li class=\"l\"> Bylo p\u0159ejmenov\u00e1no mnoho mo\u017enost\u00ed, nap\u0159\u00edklad \u2018server.tcp-reply-timeout\u2019 na \u2018server.tcp-remote-io-timeout\u2019, \u2018server.max-tcp-clients\u2019 na \u2018server.tcp-max-clients\u2019, \u2018template.journal-db\u2019 na \u2018database.journal-db\u2019 atd. Podpora star\u00fdch n\u00e1zv\u016f bude zachov\u00e1na alespo\u0148 do dal\u0161\u00edho v\u00fdznamn\u00e9ho vyd\u00e1n\u00ed.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Zdroj: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51651\">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 KnotDNS 2.9.0, \u0432\u044b\u0441\u043e\u043a\u043e\u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0430\u0442\u0438\u0432\u043d\u043e\u0433\u043e DNS \u0441\u0435\u0440\u0432\u0435\u0440\u0430 (\u0440\u0435\u043a\u0443\u0440\u0441\u043e\u0440 \u0432\u044b\u043f\u043e\u043b\u043d\u0435\u043d \u0432 \u0432\u0438\u0434\u0435 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f), \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0432\u0441\u0435 \u0441\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 DNS. \u041f\u0440\u043e\u0435\u043a\u0442 \u0440\u0430\u0437\u0440\u0430\u0431\u0430\u0442\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0447\u0435\u0448\u0441\u043a\u0438\u043c \u0440\u0435\u0435\u0441\u0442\u0440\u043e\u043c \u0438\u043c\u0435\u043d CZ.NIC, \u043d\u0430\u043f\u0438\u0441\u0430\u043d \u043d\u0430 \u044f\u0437\u044b\u043a\u0435 \u0421\u0438 \u0438 \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 GPLv3. KnotDNS \u043e\u0442\u043b\u0438\u0447\u0430\u0435\u0442\u0441\u044f \u043e\u0440\u0438\u0435\u043d\u0442\u0430\u0446\u0438\u0435\u0439 \u043d\u0430 \u0432\u044b\u0441\u043e\u043a\u0443\u044e \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 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432, \u0434\u043b\u044f \u0447\u0435\u0433\u043e \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u0442\u0441\u044f \u043c\u043d\u043e\u0433\u043e\u043f\u043e\u0442\u043e\u0447\u043d\u0430\u044f, \u0438 \u043f\u043e \u0431\u043e\u043b\u044c\u0448\u0435\u0439 \u0447\u0430\u0441\u0442\u0438 \u043d\u0435\u0431\u043b\u043e\u043a\u0438\u0440\u0443\u044e\u0449\u0430\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f, \u0445\u043e\u0440\u043e\u0448\u043e \u043c\u0430\u0441\u0448\u0442\u0430\u0431\u0438\u0440\u0443\u0435\u043c\u0430\u044f \u043d\u0430 [&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-38811","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=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d \u0440\u0435\u043b\u0438\u0437 KnotDNS 2.9.0.\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/cs\/blog\/news\/vypusk-dns-servera-knotdns-2-9-0\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"cs_CZ\" \/>\n\t\t<meta 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