{"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\/no\/blog\/news\/vypusk-powerdns-authoritative-server-4-2","title":{"rendered":"Utgivelse av 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\/\">Har funnet sted<\/a><\/noindex> utgjeving av autoritative DNS-server  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.powerdns.com\/auth.html\">PowerDNS Authoritative Server 4.2<\/a><\/noindex>, laget for \u00e5 organisere levering av DNS-soner. For <noindex><a rel=\"nofollow\" href=\"https:\/\/www.powerdns.com\/software.html\">dataene<\/a><\/noindex> utviklerne av prosjektet, PowerDNS Authoritative Server h\u00e5ndterer omtrent 30% av det totale antallet domener i Europa (hvis vi ser p\u00e5 domener med DNSSEC-signaturer, s\u00e5 er det 90%). Koden til prosjektet <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PowerDNS\/pdns\">distribueres<\/a><\/noindex> er under GPLv2-lisensen.<\/p>\n<p>PowerDNS Authoritative Server tilbyr muligheten til \u00e5 lagre informasjon om domener i ulike databaser, inkludert MySQL, PostgreSQL, SQLite3, Oracle, og Microsoft SQL Server, samt i LDAP og vanlige tekstfiler i BIND-format. Svarene kan ogs\u00e5 filtreres ytterligere (for eksempel for \u00e5 blokkere spam) eller omdirigeres ved \u00e5 bruke egne h\u00e5ndtere i Lua, Java, Perl, Python, Ruby, C og C++. Spesielle funksjoner inkluderer ogs\u00e5 verkt\u00f8y for ekstern statistikkinnsamling, inkludert via SNMP eller gjennom Web API (for statistikk og administrasjon er det innebygd en http-server), umiddelbar omstart, en innebygd motor for tilkobling av h\u00e5ndtere p\u00e5 Lua-spr\u00e5ket, og muligheten for belastningsbalansering basert p\u00e5 kundens geografiske plassering.<\/p>\n<p>Viktige <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.powerdns.com\/authoritative\/changelog\/4.2.html\">nyheter<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Muligheten til <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.powerdns.com\/authoritative\/lua-records\/index.html\">definisjoner<\/a><\/noindex> poster med Lua-behandlere som gj\u00f8r det mulig \u00e5 lage avanserte h\u00e5ndterere som tar hensyn til AS, undernett, n\u00e6rhet til brukeren osv. St\u00f8tte for Lua-poster er implementert for alle lagringsbakker, inkludert BIND og LMDB. For eksempel, for \u00e5 levere data med hensyn til bakgrunnssjekk av tilgjengeligheten til verter i sonekonfigurasjonen, kan det n\u00e5 spesifiseres:\n<p>   @ IN LUA A<\/p>\n<li class=\"l\"> En ny verkt\u00f8y er lagt til <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.powerdns.com\/authoritative\/manpages\/ixfrdist.1.html\">ixfrdist<\/a><\/noindex>, som muliggj\u00f8r overf\u00f8ring av soner fra autoritative servere ved hjelp av AXFR- og IXFR-foresp\u00f8rsel, med hensyn til relevansen av overf\u00f8rte data (for hvert domene blir SOA-nummeret sjekket, og kun nye versjoner av sonen lastes). Verkt\u00f8yet gj\u00f8r det mulig \u00e5 organisere synkronisering av soner p\u00e5 et veldig stort antall sekund\u00e6re og rekursive servere uten \u00e5 skape stor belastning p\u00e5 den prim\u00e6re serveren;\n<li class=\"l\"> I forberedelse til initiativet <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51102\">DNS flag day 2020<\/a><\/noindex>  er verdien av parameteren udp-truncation-threshold redusert fra 1680 til 1232, som styrer trimming av UDP-svar til klienten, noe som b\u00f8r betydelig redusere sannsynligheten for tap av UDP-pakker. Verdien 1232 ble valgt fordi den er maksimum n\u00e5r st\u00f8rrelsen p\u00e5 DNS-svaret med hensyn til IPv6 faller innenfor minimum MTU (1280);\n<li class=\"l\"> En ny lagringsbakke er lagt til basert p\u00e5 DB <noindex><a rel=\"nofollow\" href=\"https:\/\/symas.com\/lmdb\/\">LMDB<\/a><\/noindex>. Backend er fullstendig kompatibel med DNSSEC, kan brukes for master- og slave-soner, og gir h\u00f8yere ytelse enn de fleste andre backender. Rett f\u00f8r utgivelsen ble det lagt til en endring i koden som forstyrret arbeidet til backend LMDB (behandling av slave-soner og lasting via pdnsutil fungerer, men kommandoer som  har sluttet \u00e5 virke. Problemene planlegges \u00e5 bli l\u00f8st i den neste korrigerende utgivelsen;\n<li class=\"l\"> St\u00f8tten for den d\u00e5rlig dokumenterte funksjonen  er avsluttet, da den hindret l\u00f8sning av noen problemer. I samsvar med kravene <noindex><a rel=\"nofollow\" href=\"https:\/\/tools.ietf.org\/html\/rfc8624\">RFC 8624<\/a><\/noindex> (GOST R 34.11-2012 er flyttet til kategorien ) i DNSSEC er st\u00f8tten for GOST DS-hashverker og ECC-GOST digitale signaturer avsluttet.\n<\/ul>\n<p>Vi minner om at PowerDNS har g\u00e5tt over til en seks m\u00e5neder utviklingssyklus, noe som betyr at neste betydelige utgivelse av PowerDNS Authoritative Server er forventet i februar 2020. Oppdateringer for betydelige utgivelser vil bli dannet gjennom \u00e5ret, etterfulgt av seks m\u00e5neder med utgivelser av sikkerhetsoppdateringer. Dermed vil st\u00f8tten for PowerDNS Authoritative Server 4.2 vare til januar 2021. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Kilde: <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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