{"id":37691,"date":"2019-10-31T22:19:07","date_gmt":"2019-10-31T19:19:07","guid":{"rendered":"https:\/\/prohoster.info\/blog\/vypusk-powerdns-authoritative-server-4-2\/"},"modified":"2019-10-31T22:19:07","modified_gmt":"2019-10-31T19:19:07","slug":"vypusk-powerdns-authoritative-server-4-2","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/vypusk-powerdns-authoritative-server-4-2","title":{"rendered":"Uvo\u013enenie PowerDNS Authoritative Server 4.2","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/blog.powerdns.com\/2019\/08\/30\/powerdns-authoritative-server-4-2-0\/\">Sa uskuto\u010dnilo<\/a><\/noindex> uvedenie autoritativn\u00e9ho DNS servera  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.powerdns.com\/auth.html\">PowerDNS Authoritative Server 4.2<\/a><\/noindex>, ur\u010den\u00e9ho na spr\u00e1vu DNS z\u00f3n. Pod\u013ea <noindex><a rel=\"nofollow\" href=\"https:\/\/www.powerdns.com\/software.html\">\u00fadajov<\/a><\/noindex> v\u00fdvoj\u00e1rov projektu, PowerDNS Authoritative Server spravuje pribli\u017ene 30 % v\u0161etk\u00fdch dom\u00e9n v Eur\u00f3pe (ak zoh\u013eadn\u00edme len dom\u00e9ny so signat\u00farami DNSSEC, tak 90 %). K\u00f3d projektu <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PowerDNS\/pdns\">distribuovan\u00fd<\/a><\/noindex> je pod licenciou GPLv2.<\/p>\n<p>PowerDNS Authoritative Server poskytuje mo\u017enos\u0165 uchov\u00e1vania inform\u00e1ci\u00ed o dom\u00e9nach v r\u00f4znych datab\u00e1zach, vr\u00e1tane MySQL, PostgreSQL, SQLite3, Oracle a Microsoft SQL Server, ako aj v LDAP a oby\u010dajn\u00fdch textov\u00fdch s\u00faboroch vo form\u00e1te BIND. Odpove\u010f m\u00f4\u017ee by\u0165 dodato\u010dne filtrovan\u00e1 (napr\u00edklad na odstr\u00e1nenie spamu) alebo presmerov\u00e1van\u00e1 pomocou pripojenia vlastn\u00fdch spracovate\u013eov v jazykoch Lua, Java, Perl, Python, Ruby, C a C++. Medzi \u010fal\u0161ie vlastnosti patr\u00ed aj prostriedky na dia\u013ekov\u00fd zber \u0161tatistiky, vr\u00e1tane SNMP alebo prostredn\u00edctvom Web API (na \u0161tatistiky a spr\u00e1vu je integrovan\u00fd http server), okam\u017eit\u00e9 re\u0161tartovanie, zabudovan\u00fd motor pre pripojenie spracovate\u013eov v jazyku Lua a mo\u017enos\u0165 vyva\u017eovania za\u0165a\u017eenia s oh\u013eadom na geografick\u00fa polohu klienta.<\/p>\n<p>Hlavn\u00e9 <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.powerdns.com\/authoritative\/changelog\/4.2.html\">novinky<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Pridan\u00e1 mo\u017enos\u0165 <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.powerdns.com\/authoritative\/lua-records\/index.html\">defin\u00edcie<\/a><\/noindex> z\u00e1znamov s prehliada\u010dmi v jazyku Lua, pomocou ktor\u00fdch je mo\u017en\u00e9 vytv\u00e1ra\u0165 sofistikovan\u00e9 spracovatele, ktor\u00e9 zoh\u013ead\u0148uj\u00fa pri odovzd\u00e1van\u00ed \u00fadajov AS, podsiete, bl\u00edzkos\u0165 k pou\u017e\u00edvate\u013eovi a pod. Podpora Lua z\u00e1znamov je implementovan\u00e1 pre v\u0161etky backendy \u00falo\u017eiska, vr\u00e1tane BIND a LMDB. Napr\u00edklad, na odovzd\u00e1vanie \u00fadajov so zoh\u013eadnen\u00edm pozadia overovania dostupnosti hostite\u013eov v konfigur\u00e1cii z\u00f3ny je teraz mo\u017en\u00e9 uvies\u0165:\n<p>   @ IN LUA A<\/p>\n<li class=\"l\"> Pridan\u00fd nov\u00fd n\u00e1stroj <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.powerdns.com\/authoritative\/manpages\/ixfrdist.1.html\">ixfrdist<\/a><\/noindex>, ktor\u00fd umo\u017e\u0148uje pren\u00e1\u0161a\u0165 z\u00f3ny z autoritativn\u00e9ho servera pomocou po\u017eiadaviek AXFR a IXFR, pri\u010dom zoh\u013ead\u0148uje aktu\u00e1lnos\u0165 pren\u00e1\u0161an\u00fdch \u00fadajov (pre ka\u017ed\u00fa dom\u00e9nu sa vykon\u00e1va overenie \u010d\u00edsla SOA a na\u010d\u00edtaj\u00fa sa iba nov\u00e9 verzie z\u00f3ny). N\u00e1stroj umo\u017e\u0148uje organizova\u0165 synchroniz\u00e1ciu z\u00f3n na ve\u013emi ve\u013ekom po\u010dte sekund\u00e1rnych a rekurz\u00edvnych serverov, ani\u017e by vytv\u00e1ral ve\u013ek\u00e9 za\u0165a\u017eenie na prim\u00e1rnom serveri;\n<li class=\"l\"> V r\u00e1mci pr\u00edpravy na iniciat\u00edvu <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51102\">DNS flag day 2020<\/a><\/noindex>  bolo zn\u00ed\u017een\u00e9 hodnotenie parametra udp-truncation-threshold z 1680 na 1232, ktor\u00fd je zodpovedn\u00fd za orez\u00e1vanie UDP odpoved\u00ed klientovi, \u010do by malo v\u00fdrazne zn\u00ed\u017ei\u0165 pravdepodobnos\u0165 straty UDP paketov. Hodnota 1232 bola vybran\u00e1, preto\u017ee je maximom, pri ktorom ve\u013ekos\u0165 DNS odpovede s oh\u013eadom na IPv6 zapad\u00e1 do minim\u00e1lnej hodnoty MTU (1280);\n<li class=\"l\"> Pridan\u00fd nov\u00fd backend \u00falo\u017eiska zalo\u017een\u00fd na datab\u00e1ze <noindex><a rel=\"nofollow\" href=\"https:\/\/symas.com\/lmdb\/\">LMDB<\/a><\/noindex>. Backend je plne kompatibiln\u00fd s DNSSEC, m\u00f4\u017ee sa pou\u017e\u00edva\u0165 pre master- a slave-z\u00f3ny a poskytuje vy\u0161\u0161\u00ed v\u00fdkon ako v\u00e4\u010d\u0161ina ostatn\u00fdch backendov. Tesne pred uvo\u013enen\u00edm bol do k\u00f3du pridan\u00fd z\u00e1sah, ktor\u00fd naru\u0161il chod backendu LMDB (spracovanie slave z\u00f3n a na\u010d\u00edtanie cez pdnsutil funguje, ale prestali fungova\u0165 pr\u00edkazy ako . Probl\u00e9my by sa mali vyrie\u0161i\u0165 v najbli\u017e\u0161ej opravnej aktualiz\u00e1cii;\n<li class=\"l\"> Podpora zle zdokumentovanej funkcie  bola ukon\u010den\u00e1, preto\u017ee br\u00e1nila odstr\u00e1neniu niektor\u00fdch probl\u00e9mov. V s\u00falade s po\u017eiadavkami <noindex><a rel=\"nofollow\" href=\"https:\/\/tools.ietf.org\/html\/rfc8624\">RFC 8624<\/a><\/noindex> (GOST R 34.11-2012 bol presunut\u00fd do kateg\u00f3rie ) v DNSSEC bola ukon\u010den\u00e1 podpora hashov GOST DS a digit\u00e1lnych podpisov ECC-GOST.\n<\/ul>\n<p>Pripom\u00edname, \u017ee PowerDNS pre\u0161iel na \u0161es\u0165mesa\u010dn\u00fd cyklus v\u00fdvoja, pod\u013ea ktor\u00e9ho sa o\u010dak\u00e1va, \u017ee nasleduj\u00face v\u00fdznamn\u00e9 vydanie PowerDNS Authoritative Server bude v febru\u00e1ri 2020. Aktualiz\u00e1cie pre v\u00fdznamn\u00e9 vydania bud\u00fa vych\u00e1dza\u0165 po\u010das roka, po ktorom bud\u00fa nasledova\u0165 e\u0161te \u0161es\u0165 mesiacov opravy zranite\u013enost\u00ed. T\u00fdm p\u00e1dom podpora vetvy PowerDNS Authoritative Server 4.2 potrv\u00e1 do janu\u00e1ra 2021. <\/p>\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=51400\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435\u0442\u043d\u043e\u0433\u043e (authoritative) DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 PowerDNS Authoritative Server 4.2, \u043f\u0440\u0435\u0434\u043d\u0430\u0437\u043d\u0430\u0447\u0435\u043d\u043d\u043e\u0433\u043e \u0434\u043b\u044f \u043e\u0440\u0433\u0430\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u043e\u0442\u0434\u0430\u0447\u0438 DNS-\u0437\u043e\u043d. \u041f\u043e \u0434\u0430\u043d\u043d\u044b\u043c \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a\u043e\u0432 \u043f\u0440\u043e\u0435\u043a\u0442\u0430, PowerDNS Authoritative Server \u043e\u0431\u0441\u043b\u0443\u0436\u0438\u0432\u0430\u0435\u0442 \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e 30% \u0438\u0437 \u043e\u0431\u0449\u0435\u0433\u043e \u0447\u0438\u0441\u043b\u0430 \u0434\u043e\u043c\u0435\u043d\u043e\u0432 \u0432 \u0415\u0432\u0440\u043e\u043f\u0435 (\u0435\u0441\u043b\u0438 \u0440\u0430\u0441\u0441\u043c\u0430\u0442\u0440\u0438\u0432\u0430\u0442\u044c \u0442\u043e\u043b\u044c\u043a\u043e \u0434\u043e\u043c\u0435\u043d\u044b \u0441 \u043f\u043e\u0434\u043f\u0438\u0441\u044f\u043c\u0438 DNSSEC, \u0442\u043e 90%). \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. PowerDNS Authoritative Server \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0445\u0440\u0430\u043d\u0435\u043d\u0438\u044f \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u043e \u0434\u043e\u043c\u0435\u043d\u0430\u0445 \u0432 [&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-37691","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.5 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0421\u043e\u0441\u0442\u043e\u044f\u043b\u0441\u044f \u0440\u0435\u043b\u0438\u0437 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