{"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\/et\/blog\/novosti-interneta\/vypusk-powerdns-authoritative-server-4-2","title":{"rendered":"PowerDNS Authoritative Server 4.2 v\u00e4ljalase","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\/\">On toimunud<\/a><\/noindex> autoriivne DNS-serveri versioon  <noindex><a rel=\"nofollow\" href=\"https:\/\/www.powerdns.com\/auth.html\">PowerDNS Autoratiivne Server 4.2<\/a><\/noindex>, mis on m\u00f5eldud DNS-alade haldamiseks.  Peale <noindex><a rel=\"nofollow\" href=\"https:\/\/www.powerdns.com\/software.html\">andmetele<\/a><\/noindex> projekti arendajate s\u00f5nul teenindab PowerDNS Authoritative Server umbes 30% k\u00f5ikidest domeenidest Euroopas (kui arvesse v\u00f5tta ainult DNSSEC allkirjadega domeene, siis 90%). Projekti kood <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PowerDNS\/pdns\">GNU \u00dcldine Avaliku litsentsi alusel.<\/a><\/noindex> on litsentsitud GPLv2 alusel.<\/p>\n<p>PowerDNS Autoriteetse server v\u00f5imaldab hoida domeenide teavet erinevates andmebaasides, sealhulgas MySQL, PostgreSQL, SQLite3, Oracle ja Microsoft SQL Server, samuti LDAP-is ja tavalistes BIND formaadis tekstifailides. Vastuseid saab t\u00e4iendavalt filtreerida (n\u00e4iteks r\u00e4mpsposti t\u00f5rjumiseks) v\u00f5i suunata kohandatud t\u00f6\u00f6tlejate abil, kasutades Lua, Java, Perl, Python, Ruby, C ja C++ programmeerimiskeeli. Erakordsete omaduste hulka kuuluvad ka statistika kaugkogumise vahendid, sealhulgas SNMP kaudu v\u00f5i Web API kaudu (statistika ja halduse jaoks on sisseehitatud http-server), kiire taask\u00e4ivitamine, sisseehitatud mootor t\u00f6\u00f6tlejate lisamiseks Lua keeles ning koormuse tasakaalustamise v\u00f5imalus, arvestades kliendi georajatist.<\/p>\n<p>Peamised <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.powerdns.com\/authoritative\/changelog\/4.2.html\">uuendused<\/a><\/noindex>:<\/p>\n<ul>\n<li class=\"l\"> Lisatud on v\u00f5imalus <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.powerdns.com\/authoritative\/lua-records\/index.html\">m\u00e4\u00e4ratlemine<\/a><\/noindex> kirjed Lua-keelega t\u00f6\u00f6tlemisega, mille abil saab luua keerukaid t\u00f6\u00f6tlejaid, mis arvestavad andmete edastamisel AS-i, alamv\u00f5rke, l\u00e4hedust kasutajale jne. Lua-kirjete tugi on rakendatud k\u00f5igi salvestusbackendide jaoks, sealhulgas BIND ja LMDB. N\u00e4iteks andmete edastamiseks, v\u00f5ttes arvesse kaugkontrolli hostide k\u00e4ttesaadavust tsooni seadistuses, saab n\u00fc\u00fcd m\u00e4\u00e4rata:\n<p>   @ IN LUA A<\/p>\n<li class=\"l\"> Lisa uus utiliit <noindex><a rel=\"nofollow\" href=\"https:\/\/doc.powerdns.com\/authoritative\/manpages\/ixfrdist.1.html\">ixfrdist<\/a><\/noindex>, mis v\u00f5imaldab edastada piirkondi autoriteetsest serverist AXFR ja IXFR p\u00e4ringute kaudu, arvestades edastatavate andmete asjakohasust (iga domeeni puhul tehakse SOA numbri kontroll ja laaditakse ainult tsooni uued versioonid). Utiliit v\u00f5imaldab korraldada tsoonide s\u00fcnkroniseerimist v\u00e4ga suure arvu sekundaarsete ja rekursiivsete serveritega, v\u00e4ltides samal ajal suurt koormust esmases serveris;\n<li class=\"l\"> Valmistades ette algatust <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51102\">DNS lipup\u00e4ev 2020<\/a><\/noindex>  udp-truncation-threshold parameetri v\u00e4\u00e4rtust on v\u00e4hendatud 1680-lt 1232-le, mis vastutab UDP-vastuste k\u00e4rpimise eest kliendile, mis peaks oluliselt v\u00e4hendama UDP-pakettide kaotuse t\u00f5en\u00e4osust. V\u00e4\u00e4rtus 1232 on valitud, kuna see on maksimaalne, kus DNS-vastuse suurus IPv6 arvestades j\u00e4\u00e4b minimaalselt MTU (1280) piiresse.\n<li class=\"l\"> Uus andmebaasi p\u00f5hine hoiustamise tagumine on lisatud. <noindex><a rel=\"nofollow\" href=\"https:\/\/symas.com\/lmdb\/\">LMDB<\/a><\/noindex>. Backend on t\u00e4ielikult \u00fchilduv DNSSEC-iga, seda saab kasutada master- ja slave-tsoonide jaoks ning see tagab suurema j\u00f5udluse kui enamik teisi backende. Vahetult enne v\u00e4ljaandmist lisati koodisse muudatus, mis rikkus LMDB backendi toimimist (slave-tsoonide t\u00f6\u00f6tlemine ja laadimine l\u00e4bi pdnsutil t\u00f6\u00f6tab, kuid sellised k\u00e4sklused nagu  lakkasid t\u00f6\u00f6tamast. Probleeme plaanitakse lahendada j\u00e4rgmises paranduses;\n<li class=\"l\"> Tugi halvasti dokumenteeritud funktsioonile  on l\u00f5petatud, kuna see takistas m\u00f5nede probleemide lahendamist. Vastavalt n\u00f5uetele <noindex><a rel=\"nofollow\" href=\"https:\/\/tools.ietf.org\/html\/rfc8624\">RFC 8624<\/a><\/noindex> (GOST R 34.11-2012 viidatud kategooriasse ) on DNSSEC-is l\u00f5petatud GOST DS hashide ja ECC-GOST digitaalsete allkirjade tugi.\n<\/ul>\n<p>Tulet meelde, et PowerDNS on l\u00e4inud kuue kuu arendusts\u00fcklile, mille kohaselt oodatakse j\u00e4rgmist suurt versiooni PowerDNS Authoritative Serverit 2020. aasta veebruaris. Suuremate v\u00e4ljaannete v\u00e4rskendused t\u00f6\u00f6tatakse v\u00e4lja aastas, mille j\u00e4rel avaldatakse veel kuus kuud haavatavuste parandusi. Seega kestab PowerDNS Authoritative Server 4.2 haru toetus kuni 2021. aasta jaanuarini. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Allikas: <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 5.0.0.1 - 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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