{"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\/pt\/blog\/news\/reliz-powerdns-recursor-4-3-i-knotdns-2-9-3","title":{"rendered":"Lan\u00e7amento do PowerDNS Recursor 4.3 e 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\/\">Aconteceu<\/a><\/noindex> lan\u00e7amento do servidor DNS em cache <noindex><a rel=\"nofollow\" href=\"https:\/\/www.powerdns.com\/recursor.html\">PowerDNS Recursor 4.3<\/a><\/noindex>, respons\u00e1vel pela resolu\u00e7\u00e3o recursiva de nomes. PowerDNS Recursor \u00e9 constru\u00eddo sobre a mesma base de c\u00f3digo que o PowerDNS Authoritative Server, mas os servidores DNS recursivos e autorit\u00e1rios da PowerDNS evoluem em ciclos de desenvolvimento diferentes e s\u00e3o lan\u00e7ados como produtos separados. O c\u00f3digo do projeto <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/PowerDNS\/pdns\">\u00e9 distribu\u00eddo<\/a><\/noindex> sob a licen\u00e7a GPLv2. <\/p>\n<p>O servidor fornece recursos para coleta remota de estat\u00edsticas, suporta reinicializa\u00e7\u00e3o instant\u00e2nea, possui um mecanismo embutido para conectar manipuladores em Lua, suporta totalmente DNSSEC, DNS64, RPZ (Response Policy Zones) e permite a conex\u00e3o com listas negras. \u00c9 poss\u00edvel gravar resultados de resolu\u00e7\u00e3o em arquivos de zonas BIND. Para garantir alta performance, s\u00e3o utilizados modernos mecanismos de multiplexa\u00e7\u00e3o de conex\u00f5es no FreeBSD, Linux e Solaris (kqueue, epoll, \/dev\/poll), al\u00e9m de um parser DNS de alto desempenho capaz de processar dezenas de milhares de solicita\u00e7\u00f5es simult\u00e2neas. <\/p>\n<p>Na nova vers\u00e3o:<\/p>\n<ul>\n<li class=\"l\"> Com o objetivo de evitar vazamentos de informa\u00e7\u00f5es sobre o dom\u00ednio solicitado e aumentar a privacidade, o mecanismo est\u00e1 ativado por padr\u00e3o. <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.powerdns.com\/recursor\/settings.html#qname-minimization\">Minimiza\u00e7\u00e3o QNAME<\/a><\/noindex> (<noindex><a rel=\"nofollow\" href=\"https:\/\/datatracker.ietf.org\/doc\/rfc7816\/\">RFC-7816<\/a><\/noindex>), operando no modo &#171;relaxed&#187;. A ess\u00eancia do mecanismo \u00e9 que o resolvedor n\u00e3o menciona o nome completo do host pesquisado em suas solicita\u00e7\u00f5es ao servidor de nomes superior. Por exemplo, ao determinar o endere\u00e7o do host foo.bar.baz.com, o resolvedor enviar\u00e1 a solicita\u00e7\u00e3o &#171;QTYPE=NS,QNAME=baz.com&#187; ao servidor autoritativo da zona &#171;.com&#187;, sem mencionar &#171;foo.bar&#187;. O funcionamento no modo &#171;relaxed&#187; est\u00e1 implementado na forma atual.\n<li class=\"l\"> Foi implementada a possibilidade de registrar as solicita\u00e7\u00f5es de sa\u00edda para o servidor autoritativo e as respostas a elas no formato dnstap (para uso, \u00e9 necess\u00e1ria uma compila\u00e7\u00e3o com a op\u00e7\u00e3o &#171;&#8212;enable-dnstap&#187;.\n<li class=\"l\"> Garantida a manipula\u00e7\u00e3o simult\u00e2nea de v\u00e1rias solicita\u00e7\u00f5es de entrada enviadas atrav\u00e9s de uma conex\u00e3o TCP, com a entrega dos resultados \u00e0 medida que ficam prontos, e n\u00e3o na ordem de chegada das solicita\u00e7\u00f5es na fila. O limite de solicita\u00e7\u00f5es simult\u00e2neas \u00e9 determinado pela configura\u00e7\u00e3o &#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\"> Foi implementada a t\u00e9cnica de acompanhamento de novos dom\u00ednios <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.powerdns.com\/recursor\/nod_udr.html\">NOD<\/a><\/noindex> (Dom\u00ednio Observado Recente), que pode ser usada para identificar dom\u00ednios suspeitos ou dom\u00ednios envolvidos em atividades maliciosas, como dissemina\u00e7\u00e3o de malware, participa\u00e7\u00e3o em phishing e uso para controle de botnets. O m\u00e9todo \u00e9 baseado na identifica\u00e7\u00e3o de dom\u00ednios que anteriormente n\u00e3o foram acessados e na an\u00e1lise desses novos dom\u00ednios. Em vez de rastrear novos dom\u00ednios a partir de toda a base de dom\u00ednios j\u00e1 consultados, que requer recursos significativos, o NOD aplica uma estrutura probabil\u00edstica <noindex><a rel=\"nofollow\" href=\"http:\/\/webdocs.cs.ualberta.ca\/~drafiei\/papers\/DupDet06Sigmod.pdf\">SBF<\/a><\/noindex> (Stable Bloom Filter), que permite minimizar o consumo de mem\u00f3ria e CPU. Para ativar, devem ser especificadas as configura\u00e7\u00f5es &#171;new-domain-tracking=yes&#187;.\n<li class=\"l\"> Ao ser executado sob o controle do systemd, o processo PowerDNS Recursor agora \u00e9 executado sob o usu\u00e1rio n\u00e3o privilegiado pdns-recursor em vez de root. Para sistemas sem systemd e sem chroot, por padr\u00e3o, o diret\u00f3rio \/var\/run\/pdns-recursor agora \u00e9 usado para armazenar o socket de controle e o arquivo PID.\n<\/ul>\n<p>Al\u00e9m disso, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.knot-dns.cz\/2020-03-03-version-293.html\">foi publicado<\/a><\/noindex> lan\u00e7amento <noindex><a rel=\"nofollow\" href=\"https:\/\/www.knot-dns.cz\/\">KnotDNS 2.9.3<\/a><\/noindex>, servidor DNS autoritativo de alto desempenho (o recursor \u00e9 implementado como um aplicativo separado), suportando todos os recursos modernos do DNS. O projeto \u00e9 desenvolvido pelo registro de nomes checo CZ.NIC, escrito em linguagem C e <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/CZ-NIC\/knot\">\u00e9 distribu\u00eddo<\/a><\/noindex> sob a licen\u00e7a GPLv3. <\/p>\n<p>KnotDNS se destaca pela alta performance no processamento de consultas, utilizando uma implementa\u00e7\u00e3o multi-threaded e, em grande parte, n\u00e3o bloqueante, sendo bem escal\u00e1vel em sistemas SMP. Recursos como adi\u00e7\u00e3o e remo\u00e7\u00e3o de zonas em tempo real, transfer\u00eancia de zonas entre servidores, DDNS (atualiza\u00e7\u00f5es din\u00e2micas), NSID (RFC 5001), extens\u00f5es EDNS0 e DNSSEC (incluindo NSEC3), e restri\u00e7\u00f5es de intensidade de respostas (RRL) s\u00e3o fornecidos. <\/p>\n<p>No novo lan\u00e7amento:<\/p>\n<ul>\n<li class=\"l\"> Adicionada a configura\u00e7\u00e3o &#8216;remote.block-notify-after-transfer&#8217; para desativar o envio de mensagens NOTIFY;\n<li class=\"l\"> Implementado suporte experimental ao algoritmo Ed448 no DNSSE (requer GnuTLS 3.6.12+ e ainda n\u00e3o liberado <noindex><a rel=\"nofollow\" href=\"https:\/\/www.lysator.liu.se\/~nisse\/nettle\/\">Nettle 3.6+<\/a><\/noindex>);\n<li class=\"l\"> No keymgr, adicionado o par\u00e2metro &#8216;local-serial&#8217; para obter ou definir no banco de dados KASP o n\u00famero de s\u00e9rie SOA para a zona assinada;\n<li class=\"l\"> No keymgr, adicionado suporte para importa\u00e7\u00e3o de chaves Ed25519 e Ed448 no formato do servidor DNS BIND;\n<li class=\"l\"> O valor da configura\u00e7\u00e3o &#8216;server.tcp-io-timeout&#8217; foi aumentado por padr\u00e3o para 500 ms, enquanto &#8216;database.journal-db-max-size&#8217; foi reduzido para 512 MiB em sistemas de 32 bits.\n<\/ul>\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=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 \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. \u0421\u0435\u0440\u0432\u0435\u0440 \u043f\u0440\u0435\u0434\u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0435\u0442 \u0441\u0440\u0435\u0434\u0441\u0442\u0432\u0430 \u0434\u043b\u044f \u0443\u0434\u0430\u043b\u0451\u043d\u043d\u043e\u0433\u043e \u0441\u0431\u043e\u0440\u0430 \u0441\u0442\u0430\u0442\u0438\u0441\u0442\u0438\u043a\u0438, \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u0442 [&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-72951","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/pt\/blog\/news\/reliz-powerdns-recursor-4-3-i-knotdns-2-9-3\" \/>\n\t\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.3\" \/>\n\t\t<meta property=\"og:locale\" content=\"pt_PT\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47\u0420\u0435\u043b\u0438\u0437 PowerDNS Recursor 4.3 \u0438 KnotDNS 2.9.3 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"\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\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/pt\/blog\/news\/reliz-powerdns-recursor-4-3-i-knotdns-2-9-3\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2020-03-05T23:42:09+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2020-03-05T23:42:09+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Lan\u00e7amento do PowerDNS Recursor 4.3 e do KnotDNS 2.9.3 | ProHoster","description":"Lan\u00e7amento do servidor DNS em cache","canonical_url":"https:\/\/prohoster.info\/pt\/blog\/news\/reliz-powerdns-recursor-4-3-i-knotdns-2-9-3","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"pt_PT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0420\u0435\u043b\u0438\u0437 PowerDNS Recursor 4.3 \u0438 KnotDNS 2.9.3 | ProHoster","og:description":"\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","og:url":"https:\/\/prohoster.info\/pt\/blog\/news\/reliz-powerdns-recursor-4-3-i-knotdns-2-9-3","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-03-05T23:42:09+00:00","article:modified_time":"2020-03-05T23:42:09+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"72951","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 18:42:53","updated":"2022-10-04 21:14:34","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts\/72951","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/comments?post=72951"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/posts\/72951\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/media?parent=72951"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/categories?post=72951"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/pt\/wp-json\/wp\/v2\/tags?post=72951"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}