{"id":138300,"date":"2025-06-26T23:11:56","date_gmt":"2025-06-26T21:11:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vypusk-dhcp-servera-kea-3-0-razvivaemogo-konsorcziumom-isc"},"modified":"2025-06-26T23:11:56","modified_gmt":"2025-06-26T21:11:56","slug":"vypusk-dhcp-servera-kea-3-0-razvivaemogo-konsorcziumom-isc","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/vypusk-dhcp-servera-kea-3-0-razvivaemogo-konsorcziumom-isc","title":{"rendered":"Lan\u00e7amento do servidor DHCP Kea 3.0, desenvolvido pelo cons\u00f3rcio ISC","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>O cons\u00f3rcio ISC lan\u00e7ou a vers\u00e3o 3.0 do servidor DHCP Kea, que substitui o cl\u00e1ssico ISC DHCP. O Kea 3.0 \u00e9 destacado como a primeira vers\u00e3o que ter\u00e1 um ciclo de suporte de longo prazo (LTS) \u2014 as atualiza\u00e7\u00f5es ser\u00e3o lan\u00e7adas durante tr\u00eas anos. Novas vers\u00f5es est\u00e1veis significativas est\u00e3o previstas para serem formadas a cada seis meses, e n\u00e3o anualmente. O c\u00f3digo fonte do projeto \u00e9 distribu\u00eddo sob a licen\u00e7a Mozilla Public License (MPL) 2.0, em vez da licen\u00e7a ISC anteriormente utilizada para o ISC DHCP.     <\/p>\n<p>O servidor DHCP Kea \u00e9 baseado nas tecnologias BIND 10 e \u00e9 constru\u00eddo utilizando uma arquitetura modular, que divide a funcionalidade em diferentes processos manipuladores. O produto inclui uma implementa\u00e7\u00e3o totalmente funcional do servidor com suporte para os protocolos DHCPv4 e DHCPv6, capaz de substituir o ISC DHCP. O Kea cont\u00e9m ferramentas para atualiza\u00e7\u00e3o din\u00e2mica de zonas DNS (Dynamic DNS) e suporta os mecanismos de descoberta <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/\"   title=\"servidores\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"1772\">servidores<\/a>, atribui\u00e7\u00e3o de endere\u00e7os, atualiza\u00e7\u00e3o e reconex\u00e3o, atendimento a consultas informativas, reserva de endere\u00e7os para hosts e boot via PXE. Na implementa\u00e7\u00e3o do DHCPv6, tamb\u00e9m \u00e9 prevista a possibilidade de delega\u00e7\u00e3o de prefixos.   <\/p>\n<p>As informa\u00e7\u00f5es sobre endere\u00e7os alocados e par\u00e2metros dos clientes podem ser armazenadas em diferentes reposit\u00f3rios, sendo fornecidos backends para armazenamento em arquivos CSV, bancos de dados MySQL, Apache Cassandra e PostgreSQL. Os par\u00e2metros de reserva de hosts podem ser definidos em um arquivo de configura\u00e7\u00e3o no formato JSON ou na forma de uma tabela no MySQL e PostgreSQL. O pacote inclui a ferramenta perfdhcp para medir o desempenho do servidor DHCP e componentes para coleta de estat\u00edsticas. Para intera\u00e7\u00e3o com aplicativos externos, h\u00e1 uma API dedicada. A atualiza\u00e7\u00e3o da configura\u00e7\u00e3o pode ser feita em tempo real sem reiniciar o servidor.      <\/p>\n<p>Principais melhorias no Kea 3.0:  <\/p>\n<ul>\n<li class=\"l\"> A maioria das bibliotecas TWELVE Kea com manipuladores plug\u00e1veis (hooks) foi traduzida para a categoria de c\u00f3digo aberto e distribu\u00edda gratuitamente, anteriormente dispon\u00edvel sob licen\u00e7a comercial (as \u00fanicas que permanecem comerciais s\u00e3o os manipuladores RBAC e Configuration Backend; todos os outros 12 manipuladores est\u00e3o abertos sob a licen\u00e7a MPL 2.0). O processo de distribui\u00e7\u00e3o dos manipuladores plug\u00e1veis foi alterado \u2014 a instala\u00e7\u00e3o n\u00e3o requer mais um token de acesso. As bibliotecas abertas est\u00e3o inclu\u00eddas no arquivo principal com c\u00f3digo fonte do Kea e est\u00e3o dispon\u00edveis para instala\u00e7\u00e3o a partir dos reposit\u00f3rios oficiais do ISC.\n<p>Entre as funcionalidades oferecidas pelos manipuladores abertos: manipula\u00e7\u00f5es com classes de clientes DHCP sem reiniciar o servidor DHCP, atualiza\u00e7\u00e3o DDNS (Dynamic DNS) vinculada aos clientes, atribui\u00e7\u00e3o flex\u00edvel de identificadores aos clientes, manuten\u00e7\u00e3o de logs ampliados, uso de GSS-TSIG para autentica\u00e7\u00e3o, cache de respostas de outros hosts, transfer\u00eancia do armazenamento de reservas de hosts para um SGBD separado, limita\u00e7\u00e3o da intensidade de solicita\u00e7\u00f5es, verifica\u00e7\u00e3o de ping de endere\u00e7os antes da atribui\u00e7\u00e3o aos clientes, integra\u00e7\u00e3o com servidores RADIUS, gerenciamento das configura\u00e7\u00f5es de sub-redes sem reiniciar, suporte a extens\u00f5es DHCPv4\/DHCPv6 Leasequery. Os manipuladores abertos podem ser usados para configurar sub-redes e reservas de hosts atrav\u00e9s da interface web Stork.    <\/p>\n<li class=\"l\"> Adicionadas verifica\u00e7\u00f5es e medidas de prote\u00e7\u00e3o adicionais, implementadas com base em vulnerabilidades recentemente descobertas. Ap\u00f3s a migra\u00e7\u00e3o para o Kea 3.0, os administradores precisar\u00e3o definir novas senhas e configurar uma prote\u00e7\u00e3o de acesso mais robusta para as interfaces de gerenciamento remoto.\n<li class=\"l\"> Adicionado suporte integrado para HTTP\/TLS. Para organiza\u00e7\u00e3o de acesso remoto, o Kea Control Agent (CA) n\u00e3o \u00e9 mais necess\u00e1rio, simplificando significativamente a configura\u00e7\u00e3o. O suporte para chamada de API via HTTP e TLS foi integrado aos processos de fundo DHCPv4, DHCPv6 e DHCP-DDNS sem o uso do Control Agent. Nas futuras vers\u00f5es, est\u00e1 previsto que o Kea Control Agent ser\u00e1 removido.\n<li class=\"l\"> Com o objetivo de simplificar a migra\u00e7\u00e3o do ISC DHCP, a classifica\u00e7\u00e3o dos clientes foi alterada. Possibilitada a adi\u00e7\u00e3o de op\u00e7\u00f5es vinculadas ao cliente ou \u00e0 sub-rede. O comportamento da heran\u00e7a de op\u00e7\u00f5es foi aproximado do ISC DHCP.\n<li class=\"l\"> No DHCPv6, foi implementado um mecanismo de registro de endere\u00e7os (RFC 9686), que permite a atribui\u00e7\u00e3o em vez de apenas designar <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/pt\/server\/dts-prohoster\/\"   title=\"servidor\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"3102\">servidor<\/a> endere\u00e7os, gerar um endere\u00e7o no lado do dispositivo usando SLAAC (Configura\u00e7\u00e3o Autom\u00e1tica de Endere\u00e7os Stateless), para ent\u00e3o transmitir informa\u00e7\u00f5es sobre o endere\u00e7o gerado para o servidor DHCPv6.\n<li class=\"l\"> O sistema de compila\u00e7\u00e3o foi modernizado, sendo transferido de Auto Tools para o conjunto de ferramentas Meson.\n<li class=\"l\"> O c\u00f3digo para suporte a backends de armazenamento com MySQL e PostgreSQL foi separado em bibliotecas distintas. Esses backends agora n\u00e3o s\u00e3o obrigat\u00f3rios para instala\u00e7\u00e3o \u2014 se n\u00e3o houver necessidade de suporte a MySQL e PostgreSQL, a instala\u00e7\u00e3o do Kea n\u00e3o requer mais a instala\u00e7\u00e3o de depend\u00eancias relacionadas ao SGBD.    <\/ul>\n<p>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=63474\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043d\u0441\u043e\u0440\u0446\u0438\u0443\u043c ISC \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b \u0440\u0435\u043b\u0438\u0437 DHCP-\u0441\u0435\u0440\u0432\u0435\u0440\u0430 Kea 3.0, \u0438\u0434\u0443\u0449\u0435\u0433\u043e \u043d\u0430 \u0441\u043c\u0435\u043d\u0443 \u043a\u043b\u0430\u0441\u0441\u0438\u0447\u0435\u0441\u043a\u043e\u043c\u0443 ISC DHCP. Kea 3.0 \u043e\u0442\u043c\u0435\u0447\u0435\u043d \u043a\u0430\u043a \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u044b\u043f\u0443\u0441\u043a, \u0434\u043b\u044f \u043a\u043e\u0442\u043e\u0440\u043e\u0433\u043e \u0431\u0443\u0434\u0435\u0442 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0435\u043d \u0434\u043b\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0439 \u0446\u0438\u043a\u043b \u0441\u043e\u043f\u0440\u043e\u0432\u043e\u0436\u0434\u0435\u043d\u0438\u044f (LTS) &#8212; \u043e\u0431\u043d\u043e\u0432\u043b\u0435\u043d\u0438\u044f \u0431\u0443\u0434\u0443\u0442 \u0432\u044b\u043f\u0443\u0441\u043a\u0430\u0442\u044c\u0441\u044f \u0432 \u0442\u0435\u0447\u0435\u043d\u0438\u0435 \u0442\u0440\u0451\u0445 \u043b\u0435\u0442. \u041d\u043e\u0432\u044b\u0435 \u0437\u043d\u0430\u0447\u0438\u0442\u0435\u043b\u044c\u043d\u044b\u0435 \u0441\u0442\u0430\u0431\u0438\u043b\u044c\u043d\u044b\u0435 \u0432\u044b\u043f\u0443\u0441\u043a\u0438 \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u044e\u0442 \u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0440\u0430\u0437 \u0432 \u043f\u043e\u043b\u0433\u043e\u0434\u0430, \u0430 \u043d\u0435 \u0440\u0430\u0437 \u0432 \u0433\u043e\u0434. \u0418\u0441\u0445\u043e\u0434\u043d\u044b\u0435 \u0442\u0435\u043a\u0441\u0442\u044b \u043f\u0440\u043e\u0435\u043a\u0442\u0430 \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u044e\u0442\u0441\u044f \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 [&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-138300","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\" 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