{"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\/en\/blog\/news\/vypusk-powerdns-authoritative-server-4-2","title":{"rendered":"Release of 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\/\">Took place<\/a><\/noindex> release of the authoritative DNS server  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.powerdns.com\/auth.html\">PowerDNS Authoritative Server 4.2<\/a><\/noindex>, designed for organizing DNS zone responses. From <noindex><a rel=\"nofollow\" href=\"https:\/\/www.powerdns.com\/software.html\">data<\/a><\/noindex> the developers of the project, PowerDNS Authoritative Server serves approximately 30% of all domains in Europe (if considering only domains with DNSSEC signatures, then 90%). The project code <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PowerDNS\/pdns\">is distributed<\/a><\/noindex> is licensed under GPLv2.<\/p>\n<p>PowerDNS Authoritative Server provides the capability to store domain information in various databases, including MySQL, PostgreSQL, SQLite3, Oracle, and Microsoft SQL Server, as well as in LDAP and plain text files in BIND format. Answer responses can also be further filtered (for example, to block spam) or redirected using custom handlers in languages such as Lua, Java, Perl, Python, Ruby, C, and C++. Notable features also include tools for remote statistics collection, including via SNMP or through a Web API (with an embedded HTTP server for statistics and management), instant restart, an integrated engine for connecting handlers in Lua, and the ability to balance loads based on the client's geographical location.<\/p>\n<p>Key <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.powerdns.com\/authoritative\/changelog\/4.2.html\">innovations<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> self-repair the index <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.powerdns.com\/authoritative\/lua-records\/index.html\">definitions<\/a><\/noindex> records with Lua handlers, through which sophisticated handlers can be created, taking into account AS, subnets, proximity to the user, etc. Lua record support is implemented for all storage backends, including BIND and LMDB. For example, to deliver data considering background checks on the availability of hosts in the zone configuration, you can now specify:\n<p>   @ IN LUA A<\/p>\n<li class=\"l\"> A new utility has been added <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.powerdns.com\/authoritative\/manpages\/ixfrdist.1.html\">ixfrdist<\/a><\/noindex>, allowing transfer of zones from the authoritative server using AXFR and IXFR queries, taking into account the relevance of the transferred data (for each domain, the SOA number is checked, and only new versions of the zone are loaded). The utility enables zone synchronization on a very large number of secondary and recursive servers without creating a significant load on the primary server;\n<li class=\"l\"> As part of the preparations for the initiative <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51102\">DNS flag day 2020<\/a><\/noindex>  , the parameter udp-truncation-threshold has been reduced from 1680 to 1232, which is responsible for truncating UDP responses to the client, significantly lowering the likelihood of UDP packet loss. The value of 1232 has been chosen as it is the maximum at which the size of the DNS response, considering IPv6, fits within the minimum MTU value (1280);\n<li class=\"l\"> A new storage backend based on the database has been added. <noindex><a rel=\"nofollow\" href=\"https:\/\/symas.com\/lmdb\/\">LMDB<\/a><\/noindex>. The backend is fully compatible with DNSSEC, can be used for master and slave zones, and provides higher performance than most other backends. Just before the release, a change was introduced in the code that disrupted the operation of the LMDB backend (slave zone processing and loading through pdnsutil still work, but commands like  have stopped functioning. The issues are planned to be resolved in the next patch release;\n<li class=\"l\"> Support for the poorly documented feature  has been discontinued, which complicated the resolution of certain issues. In accordance with the requirements <noindex><a rel=\"nofollow\" href=\"https:\/\/tools.ietf.org\/html\/rfc8624\">RFC 8624<\/a><\/noindex> (GOST R 34.11-2012 has been moved to the  category) support for GOST DS hashes and ECC-GOST digital signatures has been discontinued in DNSSEC.\n<\/ul>\n<p>Reminder that PowerDNS has switched to a six-month development cycle, with the next major release of PowerDNS Authoritative Server expected in February 2020. Updates for significant releases will be formulated throughout the year, after which vulnerability fixes will be issued for another six months. Thus, support for the PowerDNS Authoritative Server 4.2 branch will continue until January 2021. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Source: <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 5.0.1.1 - 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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