{"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\/it\/blog\/novosti-interneta\/vypusk-powerdns-authoritative-server-4-2","title":{"rendered":"Rilascio di 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\/\">Si \u00e8 svolto<\/a><\/noindex> rilascio del server DNS autoritativo  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.powerdns.com\/auth.html\">PowerDNS Authoritative Server 4.2<\/a><\/noindex>, progettato per gestire la fornitura delle zone DNS. Per <noindex><a rel=\"nofollow\" href=\"https:\/\/www.powerdns.com\/software.html\">i dati<\/a><\/noindex> gli sviluppatori del progetto, PowerDNS Authoritative Server gestisce circa il 30% del totale dei domini in Europa (se si considerano solo i domini con firme DNSSEC, allora \u00e8 il 90%). Il codice del progetto <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PowerDNS\/pdns\">distribuito<\/a><\/noindex> \u00e8 sotto licenza GPLv2.<\/p>\n<p>PowerDNS Authoritative Server offre la possibilit\u00e0 di memorizzare informazioni sui domini in diversi database, inclusi MySQL, PostgreSQL, SQLite3, Oracle e Microsoft SQL Server, cos\u00ec come in LDAP e file di testo comuni in formato BIND. La risposta pu\u00f2 essere ulteriormente filtrata (ad esempio, per escludere lo spam) o reindirizzata tramite l'integrazione di gestori personalizzati in linguaggi come Lua, Java, Perl, Python, Ruby, C e C++. Tra le caratteristiche si evidenziano anche strumenti per la raccolta remota delle statistiche, inclusi SNMP o tramite Web API (per le statistiche e la gestione \u00e8 integrato un server http), riavvio immediato, motore integrato per gestire gestori in linguaggio Lua, e la possibilit\u00e0 di bilanciamento del carico tenendo conto della posizione geografica del cliente.<\/p>\n<p>Principali <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.powerdns.com\/authoritative\/changelog\/4.2.html\">novit\u00e0<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> \u00c8 stata aggiunta la possibilit\u00e0 di <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.powerdns.com\/authoritative\/lua-records\/index.html\">definizione<\/a><\/noindex> registrazioni con gestori in linguaggio Lua, tramite i quali \u00e8 possibile creare gestori sofisticati che tengono conto al momento della restituzione dei dati di AS, subnet, prossimit\u00e0 all'utente, ecc. Il supporto per le registrazioni Lua \u00e8 implementato per tutti i backend di archiviazione, inclusi BIND e LMDB. Ad esempio, per restituire i dati considerando la verifica di disponibilit\u00e0 in background degli host nella configurazione della zona, ora \u00e8 possibile specificare:\n<p>   @ IN LUA A &#171;ifportup(443, {&#8216;52.48.64.3&#8217;, &#8216;45.55.10.200&#8217;})&#187;<\/p>\n<li class=\"l\"> \u00c8 stata aggiunta una nuova utility <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.powerdns.com\/authoritative\/manpages\/ixfrdist.1.html\">ixfrdist<\/a><\/noindex>, che consente di trasferire zone da un server autorevole tramite richieste AXFR e IXFR, tenendo conto della pertinenza dei dati trasferiti (per ogni dominio viene eseguito un controllo del numero SOA e vengono caricate solo le nuove versioni della zona). L'utility consente di organizzare la sincronizzazione delle zone su un numero molto elevato di server secondari e ricorsivi senza creare un grande carico sul server primario;\n<li class=\"l\"> Nell'ambito della preparazione all'iniziativa <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51102\">DNS flag day 2020<\/a><\/noindex>  Il valore del parametro udp-truncation-threshold \u00e8 stato ridotto da 1680 a 1232, il che dovrebbe ridurre significativamente la probabilit\u00e0 di perdita di pacchetti UDP. Il valore 1232 \u00e8 stato scelto poich\u00e9 \u00e8 il massimo in cui la dimensione della risposta DNS, tenendo conto di IPv6, rientra nel valore MTU minimo (1280);\n<li class=\"l\"> Aggiunto un nuovo backend di archiviazione basato su DB <noindex><a rel=\"nofollow\" href=\"https:\/\/symas.com\/lmdb\/\">LMDB<\/a><\/noindex>. \u0411\u044d\u043a\u0435\u043d\u0434 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u0441\u043e\u0432\u043c\u0435\u0441\u0442\u0438\u043c \u0441 DNSSEC, \u043c\u043e\u0436\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c\u0441\u044f \u0434\u043b\u044f master- \u0438 slave-\u0437\u043e\u043d, \u0438 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0431\u043e\u043b\u0435\u0435 \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, \u0447\u0435\u043c \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e \u043e\u0441\u0442\u0430\u043b\u044c\u043d\u044b\u0445 \u0431\u044d\u043a\u0435\u043d\u0434\u043e\u0432. \u041d\u0435\u043f\u043e\u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0435\u043d\u043d\u043e \u043f\u0435\u0440\u0435\u0434 \u0440\u0435\u043b\u0438\u0437\u043e\u043c  \u0432 \u043a\u043e\u0434 \u0431\u044b\u043b\u043e \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u043e \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u0435, \u043a\u043e\u0442\u043e\u0440\u043e\u0435 \u043d\u0430\u0440\u0443\u0448\u0438\u043b\u043e \u0440\u0430\u0431\u043e\u0442\u0443 \u0431\u044d\u043a\u0435\u043d\u0434\u0430 LMDB (\u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 slave \u0437\u043e\u043d \u0438 \u0437\u0430\u0433\u0440\u0443\u0437\u043a\u0430 \u0447\u0435\u0440\u0435\u0437  pdnsutil, \u043d\u043e  \u043f\u0435\u0440\u0435\u0441\u0442\u0430\u043b\u0438 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0442\u0430\u043a\u0438\u0435 \u043a\u043e\u043c\u0430\u043d\u0434\u044b, \u043a\u0430\u043a  &#171;pdnsutil edit-zone&#187;. \u041f\u0440\u043e\u0431\u043b\u0435\u043c\u044b \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u0443\u0441\u0442\u0440\u0430\u043d\u0438\u0442\u044c \u0432 \u0431\u043b\u0438\u0436\u0430\u0439\u0448\u0435\u043c \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0438\u0440\u0443\u044e\u0449\u0435\u043c \u0432\u044b\u043f\u0443\u0441\u043a\u0435;\n<li class=\"l\"> \u041f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u043f\u043b\u043e\u0445\u043e \u0434\u043e\u043a\u0443\u043c\u0435\u043d\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 &#171;autoserial&#187;,  \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043c\u0435\u0448\u0430\u043b\u0430 \u0443\u0441\u0442\u0440\u0430\u043d\u0435\u043d\u0438\u044e \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u043f\u0440\u043e\u0431\u043b\u0435\u043c. \u0412 \u0441\u043e\u043e\u0442\u0432\u0435\u0442\u0441\u0442\u0432\u0438\u0438 \u0441 \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f\u043c\u0438 <noindex><a rel=\"nofollow\" href=\"https:\/\/tools.ietf.org\/html\/rfc8624\">RFC 8624<\/a><\/noindex> (GOST R 34.11-2012 \u043f\u0435\u0440\u0435\u043c\u0435\u0449\u0451\u043d \u0432 \u043a\u0430\u0442\u0435\u0433\u043e\u0440\u0438\u044e &#171;MUST NOT&#187;) \u0432 DNSSEC \u043f\u0440\u0435\u043a\u0440\u0430\u0449\u0435\u043d\u0430 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u043a\u0430 \u0445\u044d\u0448\u0435\u0439 GOST DS \u0438 \u0446\u0438\u0444\u0440\u043e\u0432\u044b\u0445 \u043f\u043e\u0434\u043f\u0438\u0441\u0435\u0439  ECC-GOST.\n<\/ul>\n<p>Ricordiamo che PowerDNS \u00e8 passato a un ciclo di sviluppo semestrale, secondo il quale \u00e8 previsto un significativo rilascio del PowerDNS Authoritative Server per febbraio 2020. Gli aggiornamenti per i rilasci principali saranno sviluppati nel corso dell'anno, seguiti da sei mesi dedicati al rilascio di correzioni di vulnerabilit\u00e0. Pertanto, il supporto per il ramo del PowerDNS Authoritative Server 4.2 durer\u00e0 fino a gennaio 2021. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <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-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 4.9.10 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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. 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