{"id":72951,"date":"2020-03-06T02:42:09","date_gmt":"2020-03-05T23:42:09","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/reliz-powerdns-recursor-4-3-i-knotdns-2-9-3"},"modified":"2020-03-06T02:42:09","modified_gmt":"2020-03-05T23:42:09","slug":"reliz-powerdns-recursor-4-3-i-knotdns-2-9-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sv\/blog\/news\/reliz-powerdns-recursor-4-3-i-knotdns-2-9-3","title":{"rendered":"Utgivning av PowerDNS Recursor 4.3 och KnotDNS 2.9.3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/blog.powerdns.com\/2020\/03\/03\/powerdns-recursor-4-3-0-released\/\">H\u00e4ndelse genomf\u00f6rd<\/a><\/noindex> utgivning av cachelagrad DNS-server <noindex><a rel=\"nofollow\" href=\"https:\/\/www.powerdns.com\/recursor.html\">PowerDNS Recursor 4.3<\/a><\/noindex>, som ansvarar f\u00f6r rekursiv namn\u00f6vers\u00e4ttning. PowerDNS Recursor bygger p\u00e5 samma kodbas som PowerDNS Authoritative Server, men de rekursiva och auktoritativa DNS-servrarna i PowerDNS utvecklas inom olika utvecklingscykler och sl\u00e4pps som separata produkter. Projektets kod <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PowerDNS\/pdns\">sprids<\/a><\/noindex> \u00e4r under GPLv2-licensen. <\/p>\n<p>Servern tillhandah\u00e5ller verktyg f\u00f6r fj\u00e4rrinsamling av statistik, st\u00f6djer omedelbar omstart, har en inbyggd motor f\u00f6r att koppla samman hanterare p\u00e5 Lua, st\u00f6djer fullt ut DNSSEC, DNS64, RPZ (Response Policy Zones) och till\u00e5ter anslutning av svarta listor. Det finns m\u00f6jlighet att spela in resultat av namnavl\u00f6sning i form av BIND-zoner. F\u00f6r att s\u00e4kerst\u00e4lla h\u00f6g prestanda anv\u00e4nds moderna mekanismer f\u00f6r koppling multiplexerande anslutningar i FreeBSD, Linux och Solaris (kqueue, epoll, \/dev\/poll), samt en h\u00f6gpresterande DNS-paketparser som kan bearbeta tiotusentals parallella f\u00f6rfr\u00e5gningar. <\/p>\n<p>I den nya versionen:<\/p>\n<ul>\n<li class=\"l\"> F\u00f6r att f\u00f6rhindra l\u00e4ckage av information om den beg\u00e4rda dom\u00e4nen och \u00f6ka integriteten har mekanismen <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.powerdns.com\/recursor\/settings.html#qname-minimization\">QNAME Minimization<\/a><\/noindex> (<noindex><a rel=\"nofollow\" href=\"https:\/\/datatracker.ietf.org\/doc\/rfc7816\/\">RFC-7816<\/a><\/noindex>), \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0449\u0438\u0439 \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 &#171;relaxed&#187;. \u0421\u0443\u0442\u044c \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u0440\u0435\u0437\u043e\u043b\u0432\u0435\u0440 \u043d\u0435 \u0443\u043f\u043e\u043c\u0438\u043d\u0430\u0435\u0442 \u043f\u043e\u043b\u043d\u043e\u0435 \u0438\u043c\u044f \u0438\u0441\u043a\u043e\u043c\u043e\u0433\u043e \u0445\u043e\u0441\u0442\u0430 \u0432 \u0441\u0432\u043e\u0438\u0445 \u0437\u0430\u043f\u0440\u043e\u0441\u0430\u0445 \u043a \u0432\u044b\u0448\u0435\u0441\u0442\u043e\u044f\u0449\u0435\u043c\u0443 \u0441\u0435\u0440\u0432\u0435\u0440\u0443 \u0438\u043c\u0451\u043d. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u043f\u0440\u0438 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0438 \u0430\u0434\u0440\u0435\u0441\u0430 \u0434\u043b\u044f \u0445\u043e\u0441\u0442\u0430 foo.bar.baz.com \u0440\u0435\u0437\u043e\u043b\u0432\u0435\u0440 \u043e\u0442\u043f\u0440\u0430\u0432\u0438\u0442 \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435\u0442\u043d\u043e\u043c\u0443 \u0434\u043b\u044f \u0437\u043e\u043d\u044b &#171;.com&#187; \u0441\u0435\u0440\u0432\u0435\u0440\u0443 \u0437\u0430\u043f\u0440\u043e\u0441 &#171;QTYPE=NS,QNAME=baz.com&#187;, \u043d\u0435 \u0443\u043f\u043e\u043c\u0438\u043d\u0430\u044f &#171;foo.bar&#187;. \u0412 \u0442\u0435\u043a\u0443\u0449\u0435\u043c \u0432\u0438\u0434\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0440\u0430\u0431\u043e\u0442\u0430 \u0432 \u0440\u0435\u0436\u0438\u043c\u0435 &#171;relaxed&#187;.\n<li class=\"l\"> \u0420\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u0436\u0443\u0440\u043d\u0430\u043b\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0438\u0441\u0445\u043e\u0434\u044f\u0449\u0438\u0445 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043a \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435\u0442\u043d\u043e\u043c\u0443 \u0441\u0435\u0440\u0432\u0435\u0440\u0443 \u0438 \u043e\u0442\u0432\u0435\u0442\u043e\u0432 \u043d\u0430 \u043d\u0438\u0445 \u0432 \u0444\u043e\u0440\u043c\u0430\u0442\u0435 dnstap (\u0434\u043b\u044f \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u044f \u0442\u0440\u0435\u0431\u0443\u0435\u0442\u0441\u044f \u0441\u0431\u043e\u0440\u043a\u0430 \u0441 \u043e\u043f\u0446\u0438\u0435\u0439 &#171;&#8212;enable-dnstap&#187;.\n<li class=\"l\"> \u041e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d\u0430 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u0430\u044f \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u043a\u0430 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u0432\u0445\u043e\u0434\u044f\u0449\u0438\u0445 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432, \u043f\u0435\u0440\u0435\u0434\u0430\u043d\u043d\u044b\u0445 \u0447\u0435\u0440\u0435\u0437 \u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435 TCP, \u0441 \u043e\u0442\u0434\u0430\u0447\u0435\u0439 \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442\u043e\u0432 \u043f\u043e \u043c\u0435\u0440\u0435 \u0433\u043e\u0442\u043e\u0432\u043d\u043e\u0441\u0442\u0438, \u0430 \u043d\u0435 \u0432 \u043f\u043e\u0440\u044f\u0434\u043a\u0435 \u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u044f \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u0432 \u043e\u0447\u0435\u0440\u0435\u0434\u0438. \u041b\u0438\u043c\u0438\u0442 \u043e\u0434\u043d\u043e\u0432\u0440\u0435\u043c\u0435\u043d\u043d\u044b\u0445 \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442\u0441\u044f \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u043e\u0439 &#171;<noindex><a rel=\"nofollow\" href=\"https:\/\/docs.powerdns.com\/recursor\/settings.html#max-concurrent-requests-per-tcp-connection\">max-concurrent-requests-per-tcp-connection<\/a><\/noindex>&#171;.\n<li class=\"l\"> M\u00f6jlighet att sp\u00e5ra nya dom\u00e4ner har implementerats <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.powerdns.com\/recursor\/nod_udr.html\">NOD<\/a><\/noindex> (Nyligen observerad dom\u00e4n), som kan anv\u00e4ndas f\u00f6r att identifiera misst\u00e4nkta dom\u00e4ner eller dom\u00e4ner kopplade till skadlig verksamhet, s\u00e5som spridning av skadlig kod, phishing och anv\u00e4ndning f\u00f6r botn\u00e4t. Metoden baseras p\u00e5 att identifiera dom\u00e4ner som tidigare inte har bes\u00f6kts och analysera dessa nya dom\u00e4ner. Ist\u00e4llet f\u00f6r att sp\u00e5ra nya dom\u00e4ner i hela databasen av tidigare bes\u00f6kta dom\u00e4ner, vars underh\u00e5ll kr\u00e4ver betydande resurser, till\u00e4mpar NOD en probabilistisk struktur. <noindex><a rel=\"nofollow\" href=\"http:\/\/webdocs.cs.ualberta.ca\/~drafiei\/papers\/DupDet06Sigmod.pdf\">SBF<\/a><\/noindex> (Stable Bloom Filter), \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0430\u044f \u043c\u0438\u043d\u0438\u043c\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u043f\u043e\u0442\u0440\u0435\u0431\u043b\u0435\u043d\u0438\u0435 \u043f\u0430\u043c\u044f\u0442\u0438 \u0438 CPU. \u0414\u043b\u044f \u0432\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u0432 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430\u0445 \u0441\u043b\u0435\u0434\u0443\u0435\u0442 \u0443\u043a\u0430\u0437\u0430\u0442\u044c &#171;new-domain-tracking=yes&#187;.\n<li class=\"l\"> Vid k\u00f6rning under systemd k\u00f6rs nu PowerDNS Recursor-processen under en icke-privilegierad anv\u00e4ndare pdns-recursor ist\u00e4llet f\u00f6r root. F\u00f6r system utan systemd och utan chroot anv\u00e4nds som standard katalogen \/var\/run\/pdns-recursor f\u00f6r lagring av kontrollsocket och pid-fil.\n<\/ul>\n<p>Dessutom, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.knot-dns.cz\/2020-03-03-version-293.html\">publicerades<\/a><\/noindex> utgivning <noindex><a rel=\"nofollow\" href=\"https:\/\/www.knot-dns.cz\/\">KnotDNS 2.9.3<\/a><\/noindex>, en h\u00f6gpresterande auktoritativ DNS-server (rekursorn har genomf\u00f6rts som en separat applikation), som st\u00f6der alla moderna funktioner f\u00f6r DNS. Projektet utvecklas av den tjeckiska dom\u00e4nregistren CZ.NIC, skrivet i C-spr\u00e5k och <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/CZ-NIC\/knot\">sprids<\/a><\/noindex> under GPLv3-licensen. <\/p>\n<p>KnotDNS k\u00e4nnetecknas av fokus p\u00e5 h\u00f6g prestanda vid hantering av f\u00f6rfr\u00e5gningar, vilket uppn\u00e5s genom en flertr\u00e5dad och f\u00f6r det mesta icke-blockerande implementation som \u00e4r v\u00e4l skalbar p\u00e5 SMP-system. Funktioner som erbjuds inkluderar att l\u00e4gga till och ta bort zoner i realtid, \u00f6verf\u00f6ring av zoner mellan servrar, DDNS (dynamiska uppdateringar), NSID (RFC 5001), EDNS0-f\u00f6rl\u00e4ngningar och DNSSEC (inklusive NSEC3), samt begr\u00e4nsningar av svarsinintensitet (RRL). <\/p>\n<p>I den nya utg\u00e5van:<\/p>\n<ul>\n<li class=\"l\"> \u0414\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u0430 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 &#8216;remote.block-notify-after-transfer&#8217; \u0434\u043b\u044f \u043e\u0442\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u044f \u043e\u0442\u043f\u0440\u0430\u0432\u043a\u0438 \u0441\u043e\u043e\u0431\u0449\u0435\u043d\u0438\u0439 NOTIFY;\n<li class=\"l\"> Experimentellt st\u00f6d f\u00f6r algoritmen Ed448 har implementerats i DNSSE (kr\u00e4ver GnuTLS 3.6.12+ och \u00e4nnu icke utgiven <noindex><a rel=\"nofollow\" href=\"https:\/\/www.lysator.liu.se\/~nisse\/nettle\/\">Nettle 3.6+<\/a><\/noindex>);\n<li class=\"l\"> \u0412  keymgr \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440 &#8216;local-serial&#8217; \u0434\u043b\u044f \u043f\u043e\u043b\u0443\u0447\u0435\u043d\u0438\u044f \u0438\u043b\u0438 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0438 \u0432 \u0411\u0414 KASP \u0441\u0435\u0440\u0438\u0439\u043d\u043e\u0433\u043e  SOA-\u043d\u043e\u043c\u0435\u0440\u0430 \u0434\u043b\u044f \u043f\u043e\u0434\u043f\u0438\u0441\u0430\u043d\u043d\u043e\u0439 \u0437\u043e\u043d\u044b;\n<li class=\"l\"> I keymgr har st\u00f6d f\u00f6r att importera Ed25519- och Ed448-nycklar i BIND DNS-serverformat lagts till;\n<li class=\"l\"> \u0417\u043d\u0430\u0447\u0435\u043d\u0438\u0435 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 &#8216;server.tcp-io-timeout&#8217; \u043f\u043e \u0443\u043c\u043e\u043b\u0447\u0430\u043d\u0438\u044e \u0443\u0432\u0435\u043b\u0438\u0447\u0435\u043d\u043e \u0434\u043e 500 ms, \u0430 &#8216;database.journal-db-max-size&#8217; \u0443\u043c\u0435\u043d\u044c\u0448\u0435\u043d\u043e \u0434\u043e 512 MiB \u043d\u0430 32-\u0440\u0430\u0437\u0440\u044f\u0434\u043d\u044b\u0445 \u0441\u0438\u0441\u0442\u0435\u043c\u0430\u0445.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>K\u00e4lla: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52488\">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 \u043a\u044d\u0448\u0438\u0440\u0443\u044e\u0448\u0435\u0433\u043e DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 PowerDNS Recursor 4.3, \u043e\u0442\u0432\u0435\u0447\u0430\u044e\u0449\u0435\u0433\u043e \u0437\u0430 \u0440\u0435\u043a\u0443\u0440\u0441\u0438\u0432\u043d\u043e\u0435 \u043f\u0440\u0435\u043e\u0431\u0440\u0430\u0437\u043e\u0432\u0430\u043d\u0438\u0435 \u0438\u043c\u0451\u043d. PowerDNS Recursor \u043f\u043e\u0441\u0442\u0440\u043e\u0435\u043d \u043d\u0430 \u043e\u0434\u043d\u043e\u0439 \u043a\u043e\u0434\u043e\u0432\u043e\u0439 \u0431\u0430\u0437\u0435 \u0441 PowerDNS Authoritative Server, \u043d\u043e \u0440\u0435\u043a\u0443\u0440\u0441\u0438\u0432\u043d\u044b\u0439 \u0438 \u0430\u0432\u0442\u043e\u0440\u0438\u0442\u0435\u0442\u043d\u044b\u0439 DNS-\u0441\u0435\u0440\u0432\u0435\u0440\u044b PowerDNS \u0440\u0430\u0437\u0432\u0438\u0432\u0430\u044e\u0442\u0441\u044f \u0432 \u0440\u0430\u043c\u043a\u0430\u0445 \u0440\u0430\u0437\u043d\u044b\u0445 \u0446\u0438\u043a\u043b\u043e\u0432 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u043a\u0438 \u0438 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u044e\u0442\u0441\u044f \u0432 \u0444\u043e\u0440\u043c\u0435 \u043e\u0442\u0434\u0435\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u043e\u0432. \u041a\u043e\u0434 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 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