{"id":1948,"date":"2022-04-12T02:51:42","date_gmt":"2022-04-12T01:51:42","guid":{"rendered":"https:\/\/wordpress.pedrorotoli.com\/?p=1948"},"modified":"2022-04-12T05:22:56","modified_gmt":"2022-04-12T04:22:56","slug":"5106-trabalho-final","status":"publish","type":"post","link":"https:\/\/wordpress.pedrorotoli.com\/?p=1948","title":{"rendered":"5106 &#8211; Trabalho Final"},"content":{"rendered":"<h1>Servi\u00e7os de Rede<\/h1>\n<h2>UFCD 5106<\/h2>\n<h3>\u00cdndice<\/h3>\n<ul>\n<li><a href=\"#01\">Introdu\u00e7\u00e3o<\/a>;<\/li>\n<li><a href=\"#02\">Objetivos<\/a>;<\/li>\n<li><a href=\"#03\">Instala\u00e7\u00e3o e Configura\u00e7\u00e3o do BIND 9<\/a>;<\/li>\n<li><a href=\"#04\">Cria\u00e7\u00e3o do Zone File<\/a>;<\/li>\n<li><a href=\"#05\">Criar uma Zona Reversa para o dom\u00ednio internship.cinel<\/a>;<\/li>\n<li><a href=\"#06\">Ativar os logs do BIND 9<\/a>;<\/li>\n<li><a href=\"#07\">Instalar e Configurar o Servidor DHCP<\/a>;<\/li>\n<li><a href=\"#08\">NAT<\/a>;<\/li>\n<li><a href=\"#09\">Conclus\u00e3o<\/a>.<\/li>\n<\/ul>\n<h3><\/h3>\n<h3 id=\"01\">Introdu\u00e7\u00e3o<\/h3>\n<p>Nesse trabalho irei mostrar como configurar o servidor de DNS BIND 9, configurando zonas diretas e reversas, assim como a instala\u00e7\u00e3o configura\u00e7\u00e3o r\u00e1pida de um servidor DHCP, e tamb\u00e9m habilitar o roteamento no servidor.<\/p>\n<h3 id=\"02\">Objetivos<\/h3>\n<p>Instalar e configurar em uma m\u00e1quina Ubuntu Server o BIND 9, criando uma zona direta e reversa para a rede <span style=\"font-family: andale mono, monospace;\">192.168.10.0\/24<\/span>, criando registros <span style=\"font-family: andale mono, monospace;\">MX<\/span> e <span style=\"font-family: andale mono, monospace;\">A<\/span> para a zona direta, e configurando a zona reversa para que a resolu\u00e7\u00e3o reversa dos IPs possa ser feita, e tamb\u00e9m configurar o servidor para que responda a pedidos apenas de clientes da rede <span style=\"font-family: andale mono, monospace;\">192.168.10.0\/24<\/span>.<\/p>\n<p>No final ser\u00e1 feita uma r\u00e1pida configura\u00e7\u00e3o de um servidor DHCP e ser\u00e1 habilitado o roteamento, para que os clientes ligados \u00e0 esse servidor possam acessar a internet.<\/p>\n<h3 id=\"03\">Instala\u00e7\u00e3o e Configura\u00e7\u00e3o do BIND 9<\/h3>\n<p>O BIND 9 pode ser instalado com o comando <span style=\"font-family: andale mono, monospace;\">apt install bind9<\/span>.<\/p>\n<p>Ap\u00f3s a instala\u00e7\u00e3o podemos iniciar a sua configura\u00e7\u00e3o.<\/p>\n<p>O IP do Ubuntu Server deve ser <span style=\"font-family: andale mono, monospace;\">192.168.10.12<\/span>, e apenas clientes dessa rede poder ter acesso ao servi\u00e7o DNS.<\/p>\n<p>O BIND 9 tamb\u00e9m deve utilizar os servidores <span style=\"font-family: andale mono, monospace;\">8.8.8.8<\/span> e <span style=\"font-family: andale mono, monospace;\">8.8.4.4<\/span> como <em>forwarders<\/em>.<\/p>\n<figure id=\"attachment_2158\" aria-describedby=\"caption-attachment-2158\" style=\"width: 1759px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2158\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/001-IPs-das-Interfaces-de-Rede.png\" alt=\"IPs das Interfaces de Rede\" width=\"1759\" height=\"1155\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/001-IPs-das-Interfaces-de-Rede.png 1759w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/001-IPs-das-Interfaces-de-Rede-512x336.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/001-IPs-das-Interfaces-de-Rede-768x504.png 768w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/001-IPs-das-Interfaces-de-Rede-1536x1009.png 1536w\" sizes=\"auto, (max-width: 1759px) 100vw, 1759px\" \/><figcaption id=\"caption-attachment-2158\" class=\"wp-caption-text\">IPs das Interfaces de Rede<\/figcaption><\/figure>\n<p>A primeira interface est\u00e1 em NAT, e \u00e9 a interface que o servidor utiliza para acessar a internet, a segunda \u00e9 onde est\u00e1 a rede interna, que os computadores cliente ir\u00e3o utilizar para se conectar ao servidor, e a terceira \u00e9 uma interface exclusiva para o acesso por SSH ao servidor.<\/p>\n<figure id=\"attachment_2159\" aria-describedby=\"caption-attachment-2159\" style=\"width: 1759px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2159\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/002-Bind9.png\" alt=\"BIND 9\" width=\"1759\" height=\"1155\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/002-Bind9.png 1759w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/002-Bind9-512x336.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/002-Bind9-768x504.png 768w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/002-Bind9-1536x1009.png 1536w\" sizes=\"auto, (max-width: 1759px) 100vw, 1759px\" \/><figcaption id=\"caption-attachment-2159\" class=\"wp-caption-text\">BIND 9<\/figcaption><\/figure>\n<p>Acima temos a configura\u00e7\u00e3o inicial da zona <span style=\"font-family: andale mono, monospace;\">internship.cinel<\/span>.<\/p>\n<figure id=\"attachment_2160\" aria-describedby=\"caption-attachment-2160\" style=\"width: 1759px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2160\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/003-Bind9-Forwarders.png\" alt=\"BIND 9 - Forwarders\" width=\"1759\" height=\"1253\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/003-Bind9-Forwarders.png 1759w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/003-Bind9-Forwarders-512x365.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/003-Bind9-Forwarders-768x547.png 768w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/003-Bind9-Forwarders-1536x1094.png 1536w\" sizes=\"auto, (max-width: 1759px) 100vw, 1759px\" \/><figcaption id=\"caption-attachment-2160\" class=\"wp-caption-text\">BIND 9 &#8211; Forwarders<\/figcaption><\/figure>\n<p>Acima podemos ver que o BIND 9 est\u00e1 utilizando os servidores do Google como DNS.<\/p>\n<figure id=\"attachment_2161\" aria-describedby=\"caption-attachment-2161\" style=\"width: 1759px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2161\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/004-Bind9-Status.png\" alt=\"BIND 9 Status\" width=\"1759\" height=\"1253\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/004-Bind9-Status.png 1759w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/004-Bind9-Status-512x365.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/004-Bind9-Status-768x547.png 768w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/004-Bind9-Status-1536x1094.png 1536w\" sizes=\"auto, (max-width: 1759px) 100vw, 1759px\" \/><figcaption id=\"caption-attachment-2161\" class=\"wp-caption-text\">BIND 9 Status<\/figcaption><\/figure>\n<p>BIND 9 funcionando normalmente e com as configura\u00e7\u00f5es carregadas.<\/p>\n<figure id=\"attachment_2162\" aria-describedby=\"caption-attachment-2162\" style=\"width: 1759px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2162\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/005-Dig-trace.png\" alt=\"Dig +trace\" width=\"1759\" height=\"2110\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/005-Dig-trace.png 1759w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/005-Dig-trace-427x512.png 427w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/005-Dig-trace-768x921.png 768w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/005-Dig-trace-1280x1536.png 1280w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/005-Dig-trace-1707x2048.png 1707w\" sizes=\"auto, (max-width: 1759px) 100vw, 1759px\" \/><figcaption id=\"caption-attachment-2162\" class=\"wp-caption-text\">Dig +trace<\/figcaption><\/figure>\n<p>Trace do dom\u00ednio <span style=\"font-family: andale mono, monospace;\">www.cinel.pt<\/span> utilizando o comando <span style=\"font-family: andale mono, monospace;\">dig<\/span>.<\/p>\n<h3 id=\"04\">Cria\u00e7\u00e3o do Zone File<\/h3>\n<p>\u00c9 preciso criar um <em>zone file<\/em>, que ir\u00e1 conter as respectivas entradas dos endere\u00e7os que ser\u00e3o traduzidos para IPs.<\/p>\n<figure id=\"attachment_2163\" aria-describedby=\"caption-attachment-2163\" style=\"width: 1777px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2163\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/006-Zona-internship.cinel_.png\" alt=\"Zona internship.cinel\" width=\"1777\" height=\"1240\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/006-Zona-internship.cinel_.png 1777w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/006-Zona-internship.cinel_-512x357.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/006-Zona-internship.cinel_-768x536.png 768w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/006-Zona-internship.cinel_-1536x1072.png 1536w\" sizes=\"auto, (max-width: 1777px) 100vw, 1777px\" \/><figcaption id=\"caption-attachment-2163\" class=\"wp-caption-text\">Zona internship.cinel<\/figcaption><\/figure>\n<p>Configura\u00e7\u00e3o da zona <span style=\"font-family: andale mono, monospace;\">internship.cinel<\/span> para a rede <span style=\"font-family: andale mono, monospace;\">192.168.10.0\/24<\/span>.<\/p>\n<p>Com o <em>zone file<\/em> criado e as configura\u00e7\u00f5es do servi\u00e7o recarregadas j\u00e1 podemos fazer alguns testes.<\/p>\n<figure id=\"attachment_2164\" aria-describedby=\"caption-attachment-2164\" style=\"width: 1296px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2164\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/007-Dig-records.png\" alt=\"Dig records\" width=\"1296\" height=\"2105\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/007-Dig-records.png 1296w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/007-Dig-records-315x512.png 315w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/007-Dig-records-768x1247.png 768w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/007-Dig-records-946x1536.png 946w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/007-Dig-records-1261x2048.png 1261w\" sizes=\"auto, (max-width: 1296px) 100vw, 1296px\" \/><figcaption id=\"caption-attachment-2164\" class=\"wp-caption-text\">Dig records<\/figcaption><\/figure>\n<p>Query ao BIND 9 mostrando as entradas da zona <span style=\"font-family: andale mono, monospace;\">internship.cinel<\/span> atrav\u00e9s de um cliente.<\/p>\n<p>Como podemos ver, a resolu\u00e7\u00e3o de endere\u00e7os est\u00e1 funcionando corretamente para clientes da rede <span style=\"font-family: andale mono, monospace;\">192.168.10.0\/24<\/span>, como \u00e9 esperado, agora \u00e9 preciso colocar o cliente em uma rede diferente para verificar se a configura\u00e7\u00e3o est\u00e1 funcionando como esperado.<\/p>\n<figure id=\"attachment_2165\" aria-describedby=\"caption-attachment-2165\" style=\"width: 1486px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2165\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/008-Cliente-em-uma-rede-diferente.png\" alt=\"Cliente em uma rede diferente\" width=\"1486\" height=\"956\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/008-Cliente-em-uma-rede-diferente.png 1486w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/008-Cliente-em-uma-rede-diferente-512x329.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/008-Cliente-em-uma-rede-diferente-768x494.png 768w\" sizes=\"auto, (max-width: 1486px) 100vw, 1486px\" \/><figcaption id=\"caption-attachment-2165\" class=\"wp-caption-text\">Cliente em uma rede diferente<\/figcaption><\/figure>\n<p>O cliente agora est\u00e1 em uma rede diferente, mas ainda com acesso ao servidor.<\/p>\n<figure id=\"attachment_2166\" aria-describedby=\"caption-attachment-2166\" style=\"width: 1486px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2166\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/009-Query-recusada.png\" alt=\"Query recusada\" width=\"1486\" height=\"1074\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/009-Query-recusada.png 1486w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/009-Query-recusada-512x370.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/009-Query-recusada-768x555.png 768w\" sizes=\"auto, (max-width: 1486px) 100vw, 1486px\" \/><figcaption id=\"caption-attachment-2166\" class=\"wp-caption-text\">Query recusada<\/figcaption><\/figure>\n<p>Com o cliente em uma rede diferente, o servidor est\u00e1 recusando as queries, como \u00e9 esperado.<\/p>\n<h3 id=\"05\">Criar uma Zona Reversa para o dom\u00ednio internship.cinel<\/h3>\n<p>Agora ser\u00e1 criada uma zona de resolu\u00e7\u00e3o reversa para a zona <span style=\"font-family: andale mono, monospace;\">internship.cinel<\/span>, que tamb\u00e9m ficar\u00e1 limitada \u00e0 rede <span style=\"font-family: andale mono, monospace;\">192.168.10.0\/24<\/span>.<\/p>\n<figure id=\"attachment_2167\" aria-describedby=\"caption-attachment-2167\" style=\"width: 1486px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2167\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/010-Entrada-da-nova-zona-reversa-no-named.conf_.local_.png\" alt=\"Entrada da nova zona reversa no named.conf.local\" width=\"1486\" height=\"956\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/010-Entrada-da-nova-zona-reversa-no-named.conf_.local_.png 1486w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/010-Entrada-da-nova-zona-reversa-no-named.conf_.local_-512x329.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/010-Entrada-da-nova-zona-reversa-no-named.conf_.local_-768x494.png 768w\" sizes=\"auto, (max-width: 1486px) 100vw, 1486px\" \/><figcaption id=\"caption-attachment-2167\" class=\"wp-caption-text\">Entrada da nova zona reversa no named.conf.local<\/figcaption><\/figure>\n<p>Com a entrada da nova zona j\u00e1 \u00e9 poss\u00edvel criar o novo arquivo de configura\u00e7\u00e3o da mesma.<\/p>\n<figure id=\"attachment_2168\" aria-describedby=\"caption-attachment-2168\" style=\"width: 1486px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2168\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/011-Zone-file-da-nova-zona-reversa.png\" alt=\"Zone file da nova zona reversa\" width=\"1486\" height=\"956\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/011-Zone-file-da-nova-zona-reversa.png 1486w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/011-Zone-file-da-nova-zona-reversa-512x329.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/011-Zone-file-da-nova-zona-reversa-768x494.png 768w\" sizes=\"auto, (max-width: 1486px) 100vw, 1486px\" \/><figcaption id=\"caption-attachment-2168\" class=\"wp-caption-text\">Zone file da nova zona reversa<\/figcaption><\/figure>\n<p>Acima temos a configura\u00e7\u00e3o da nova zona reversa.<\/p>\n<figure id=\"attachment_2169\" aria-describedby=\"caption-attachment-2169\" style=\"width: 1242px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2169\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/012-Reverse-lookup-para-o-IP-192.168.10.12.png\" alt=\"Reverse lookup para o IP 192.168.10.12\" width=\"1242\" height=\"842\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/012-Reverse-lookup-para-o-IP-192.168.10.12.png 1242w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/012-Reverse-lookup-para-o-IP-192.168.10.12-512x347.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/012-Reverse-lookup-para-o-IP-192.168.10.12-768x521.png 768w\" sizes=\"auto, (max-width: 1242px) 100vw, 1242px\" \/><figcaption id=\"caption-attachment-2169\" class=\"wp-caption-text\">Reverse lookup para o IP 192.168.10.12<\/figcaption><\/figure>\n<figure id=\"attachment_2170\" aria-describedby=\"caption-attachment-2170\" style=\"width: 1242px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2170\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/013-Reverse-lookup-para-o-IP-192.168.10.23.png\" alt=\"Reverse lookup para o IP 192.168.10.23\" width=\"1242\" height=\"842\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/013-Reverse-lookup-para-o-IP-192.168.10.23.png 1242w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/013-Reverse-lookup-para-o-IP-192.168.10.23-512x347.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/013-Reverse-lookup-para-o-IP-192.168.10.23-768x521.png 768w\" sizes=\"auto, (max-width: 1242px) 100vw, 1242px\" \/><figcaption id=\"caption-attachment-2170\" class=\"wp-caption-text\">Reverse lookup para o IP 192.168.10.23<\/figcaption><\/figure>\n<figure id=\"attachment_2172\" aria-describedby=\"caption-attachment-2172\" style=\"width: 1242px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2172\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/014-Reverse-lookup-para-o-IP-192.168.10.24.png\" alt=\"Reverse lookup para o IP 192.168.10.24\" width=\"1242\" height=\"842\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/014-Reverse-lookup-para-o-IP-192.168.10.24.png 1242w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/014-Reverse-lookup-para-o-IP-192.168.10.24-512x347.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/014-Reverse-lookup-para-o-IP-192.168.10.24-768x521.png 768w\" sizes=\"auto, (max-width: 1242px) 100vw, 1242px\" \/><figcaption id=\"caption-attachment-2172\" class=\"wp-caption-text\">Reverse lookup para o IP 192.168.10.24<\/figcaption><\/figure>\n<p>Nas imagens acima podemos ver que, com o cliente de volta na rede <span style=\"font-family: andale mono, monospace;\">192.168.10.0\/24<\/span>, o <em>reverse lookup<\/em> est\u00e1 funcionando corretamente.<\/p>\n<figure id=\"attachment_2174\" aria-describedby=\"caption-attachment-2174\" style=\"width: 1242px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2174\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/015-Query-recusada.png\" alt=\"Query recusada\" width=\"1242\" height=\"842\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/015-Query-recusada.png 1242w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/015-Query-recusada-512x347.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/015-Query-recusada-768x521.png 768w\" sizes=\"auto, (max-width: 1242px) 100vw, 1242px\" \/><figcaption id=\"caption-attachment-2174\" class=\"wp-caption-text\">Query recusada<\/figcaption><\/figure>\n<p>E estando em uma rede diferente, a query \u00e9 recusada.<\/p>\n<figure id=\"attachment_2175\" aria-describedby=\"caption-attachment-2175\" style=\"width: 1242px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2175\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/016-Dig-ao-endereco-portal.internship.cinel_.png\" alt=\"Dig ao endere\u00e7o portal.internship.cinel\" width=\"1242\" height=\"842\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/016-Dig-ao-endereco-portal.internship.cinel_.png 1242w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/016-Dig-ao-endereco-portal.internship.cinel_-512x347.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/016-Dig-ao-endereco-portal.internship.cinel_-768x521.png 768w\" sizes=\"auto, (max-width: 1242px) 100vw, 1242px\" \/><figcaption id=\"caption-attachment-2175\" class=\"wp-caption-text\">Dig ao endere\u00e7o portal.internship.cinel<\/figcaption><\/figure>\n<p>E a resolu\u00e7\u00e3o direta continua funcionando como esperado.<\/p>\n<figure id=\"attachment_2176\" aria-describedby=\"caption-attachment-2176\" style=\"width: 1486px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2176\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/017-BIND-9-parado.png\" alt=\"BIND 9 parado\" width=\"1486\" height=\"956\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/017-BIND-9-parado.png 1486w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/017-BIND-9-parado-512x329.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/017-BIND-9-parado-768x494.png 768w\" sizes=\"auto, (max-width: 1486px) 100vw, 1486px\" \/><figcaption id=\"caption-attachment-2176\" class=\"wp-caption-text\">BIND 9 parado<\/figcaption><\/figure>\n<p>E agora, com o BIND9 parado, vamos fazer tentar fazer um pedido de resolu\u00e7\u00e3o por um cliente na rede <span style=\"font-family: andale mono, monospace;\">192.168.10.0\/24<\/span>.<\/p>\n<figure id=\"attachment_2177\" aria-describedby=\"caption-attachment-2177\" style=\"width: 1242px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2177\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/018-Tentativa-de-resolucao-de-enderecos.png\" alt=\"Tentativa de resolu\u00e7\u00e3o de endere\u00e7os\" width=\"1242\" height=\"1272\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/018-Tentativa-de-resolucao-de-enderecos.png 1242w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/018-Tentativa-de-resolucao-de-enderecos-500x512.png 500w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/018-Tentativa-de-resolucao-de-enderecos-768x787.png 768w\" sizes=\"auto, (max-width: 1242px) 100vw, 1242px\" \/><figcaption id=\"caption-attachment-2177\" class=\"wp-caption-text\">Tentativa de resolu\u00e7\u00e3o de endere\u00e7os<\/figcaption><\/figure>\n<p>Na imagem acima \u00e9 poss\u00edvel ver que uma tentativa de resolu\u00e7\u00e3o especificando diretamente o servidor sofre um timeout, e sem especificar diretamente n\u00e3o cont\u00e9m a <span style=\"font-family: andale mono, monospace;\">ANSWER SECTION<\/span>.<\/p>\n<figure id=\"attachment_2180\" aria-describedby=\"caption-attachment-2180\" style=\"width: 1242px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2180\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/019-Pedido-respondido-com-sucesso.png\" alt=\"Pedido respondido com sucesso\" width=\"1242\" height=\"909\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/019-Pedido-respondido-com-sucesso.png 1242w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/019-Pedido-respondido-com-sucesso-512x375.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/019-Pedido-respondido-com-sucesso-768x562.png 768w\" sizes=\"auto, (max-width: 1242px) 100vw, 1242px\" \/><figcaption id=\"caption-attachment-2180\" class=\"wp-caption-text\">Pedido respondido com sucesso<\/figcaption><\/figure>\n<figure id=\"attachment_2181\" aria-describedby=\"caption-attachment-2181\" style=\"width: 1242px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2181\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/020-Pedido-respondido-com-sucesso.png\" alt=\"Pedido respondido com sucesso\" width=\"1242\" height=\"909\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/020-Pedido-respondido-com-sucesso.png 1242w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/020-Pedido-respondido-com-sucesso-512x375.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/020-Pedido-respondido-com-sucesso-768x562.png 768w\" sizes=\"auto, (max-width: 1242px) 100vw, 1242px\" \/><figcaption id=\"caption-attachment-2181\" class=\"wp-caption-text\">Pedido respondido com sucesso<\/figcaption><\/figure>\n<p>Com o servidor novamente ativo, os pedidos voltam a ser respondidos com sucesso, tanto especificando o servidor diretamente, como pelo <span style=\"font-family: andale mono, monospace;\">systemd-resolved<\/span>.<\/p>\n<figure id=\"attachment_2182\" aria-describedby=\"caption-attachment-2182\" style=\"width: 1242px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2182\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/021-Dig-com-o-cache-interno-do-cliente-vazio.png\" alt=\"Dig com o cache interno do cliente vazio\" width=\"1242\" height=\"1058\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/021-Dig-com-o-cache-interno-do-cliente-vazio.png 1242w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/021-Dig-com-o-cache-interno-do-cliente-vazio-512x436.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/021-Dig-com-o-cache-interno-do-cliente-vazio-768x654.png 768w\" sizes=\"auto, (max-width: 1242px) 100vw, 1242px\" \/><figcaption id=\"caption-attachment-2182\" class=\"wp-caption-text\">Dig com o cache interno do cliente vazio<\/figcaption><\/figure>\n<p>Na imagem acima podemos ver que com o cache interno vazio, o pedido de resolu\u00e7\u00e3o demorou 24ms.<\/p>\n<figure id=\"attachment_2183\" aria-describedby=\"caption-attachment-2183\" style=\"width: 1242px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2183\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/022-Cache-populado.png\" alt=\"Cache populado\" width=\"1242\" height=\"1008\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/022-Cache-populado.png 1242w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/022-Cache-populado-512x416.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/022-Cache-populado-768x623.png 768w\" sizes=\"auto, (max-width: 1242px) 100vw, 1242px\" \/><figcaption id=\"caption-attachment-2183\" class=\"wp-caption-text\">Cache populado<\/figcaption><\/figure>\n<p>Enquanto com o cache populado \u00e9 instant\u00e2neo, agora iremos ativar os logs do BIND 9.<\/p>\n<h3 id=\"06\">Ativar os logs do BIND 9<\/h3>\n<p>Para ativar os logs \u00e9 preciso editar o arquivo <span style=\"font-family: andale mono, monospace;\">\/etc\/bind\/named.conf<\/span>.<\/p>\n<figure id=\"attachment_2184\" aria-describedby=\"caption-attachment-2184\" style=\"width: 1483px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2184\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/023-Ativar-logging-para-o-BIND-9.png\" alt=\"Ativar logging para o BIND 9\" width=\"1483\" height=\"956\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/023-Ativar-logging-para-o-BIND-9.png 1483w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/023-Ativar-logging-para-o-BIND-9-512x330.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/023-Ativar-logging-para-o-BIND-9-768x495.png 768w\" sizes=\"auto, (max-width: 1483px) 100vw, 1483px\" \/><figcaption id=\"caption-attachment-2184\" class=\"wp-caption-text\">Ativar logging para o BIND 9<\/figcaption><\/figure>\n<p>A configura\u00e7\u00e3o acima ativa os logs.<\/p>\n<figure id=\"attachment_2185\" aria-describedby=\"caption-attachment-2185\" style=\"width: 1088px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2185\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/024-Log-criado-pelo-BIND-9.png\" alt=\"Log criado pelo BIND 9\" width=\"1088\" height=\"542\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/024-Log-criado-pelo-BIND-9.png 1088w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/024-Log-criado-pelo-BIND-9-512x255.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/024-Log-criado-pelo-BIND-9-768x383.png 768w\" sizes=\"auto, (max-width: 1088px) 100vw, 1088px\" \/><figcaption id=\"caption-attachment-2185\" class=\"wp-caption-text\">Log criado pelo BIND 9<\/figcaption><\/figure>\n<p>E na imagem acima podemos ver que o arquivo de log j\u00e1 foi criado.<\/p>\n<p>Agora iremos configurar o Ubuntu Server para funcionar como gateway, para que as m\u00e1quinas da rede <span style=\"font-family: andale mono, monospace;\">192.168.10.0\/24<\/span> tenham acesso \u00e0 internet e tamb\u00e9m o configurar como servidor DHCP.<\/p>\n<h3 id=\"07\">Instalar e Configurar o Servidor DHCP<\/h3>\n<p>Vamos come\u00e7ar por instalar e configurar o servidor DHCP, a sua instala\u00e7\u00e3o pode ser feita com o comando <span style=\"font-family: andale mono, monospace;\">apt install isc-dhcp-server<\/span>.<\/p>\n<p>Depois de completar a instala\u00e7\u00e3o \u00e9 preciso criar uma pool, para isso \u00e9 preciso editar o arquivo <span style=\"font-family: andale mono, monospace;\">\/etc\/dhcp\/dhcpd.conf<\/span>.<\/p>\n<figure id=\"attachment_2187\" aria-describedby=\"caption-attachment-2187\" style=\"width: 1308px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2187\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/025-Nova-pool-criada.png\" alt=\"Nova pool criada\" width=\"1308\" height=\"802\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/025-Nova-pool-criada.png 1308w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/025-Nova-pool-criada-512x314.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/025-Nova-pool-criada-768x471.png 768w\" sizes=\"auto, (max-width: 1308px) 100vw, 1308px\" \/><figcaption id=\"caption-attachment-2187\" class=\"wp-caption-text\">Nova pool criada<\/figcaption><\/figure>\n<p>Com a pool criada e as configura\u00e7\u00f5es recarregadas, j\u00e1 podemos verificar se est\u00e1 tudo funcionando corretamente.<\/p>\n<figure id=\"attachment_2188\" aria-describedby=\"caption-attachment-2188\" style=\"width: 1688px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2188\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/026-Novo-lease-para-um-cliente-Windows.png\" alt=\"Novo lease para um cliente Windows\" width=\"1688\" height=\"802\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/026-Novo-lease-para-um-cliente-Windows.png 1688w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/026-Novo-lease-para-um-cliente-Windows-512x243.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/026-Novo-lease-para-um-cliente-Windows-768x365.png 768w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/026-Novo-lease-para-um-cliente-Windows-1536x730.png 1536w\" sizes=\"auto, (max-width: 1688px) 100vw, 1688px\" \/><figcaption id=\"caption-attachment-2188\" class=\"wp-caption-text\">Novo lease para um cliente Windows<\/figcaption><\/figure>\n<p>Acima podemos ver que um novo lease para um cliente Windows foi criado.<\/p>\n<figure id=\"attachment_2189\" aria-describedby=\"caption-attachment-2189\" style=\"width: 1280px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2189\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/027-Cliente-Windows.png\" alt=\"Cliente Windows\" width=\"1280\" height=\"800\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/027-Cliente-Windows.png 1280w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/027-Cliente-Windows-512x320.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/027-Cliente-Windows-768x480.png 768w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/027-Cliente-Windows-800x500.png 800w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><figcaption id=\"caption-attachment-2189\" class=\"wp-caption-text\">Cliente Windows<\/figcaption><\/figure>\n<p>E aqui podemos ver que o cliente Windows recebeu corretamente um IP e que o gateway e servidor DNS est\u00e3o corretamente configurados para usar o Ubuntu Server.<\/p>\n<h3 id=\"08\">NAT<\/h3>\n<p>Agora iremos ativar o NAT, o primeiro passo \u00e9 editar o arquivo <span style=\"font-family: andale mono, monospace;\">\/etc\/sysctl.conf<\/span> e habilitar uma diretiva.<\/p>\n<figure id=\"attachment_2191\" aria-describedby=\"caption-attachment-2191\" style=\"width: 1358px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2191\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/028-Habilitar-NAT.png\" alt=\"Habilitar NAT\" width=\"1358\" height=\"771\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/028-Habilitar-NAT.png 1358w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/028-Habilitar-NAT-512x291.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/028-Habilitar-NAT-768x436.png 768w\" sizes=\"auto, (max-width: 1358px) 100vw, 1358px\" \/><figcaption id=\"caption-attachment-2191\" class=\"wp-caption-text\">Habilitar NAT<\/figcaption><\/figure>\n<p>\u00c9 preciso descomentar a linha 28, essa \u00e9 a \u00fanica altera\u00e7\u00e3o necess\u00e1ria nesse arquivo, salve as altera\u00e7\u00f5es e o feche.<\/p>\n<figure id=\"attachment_2192\" aria-describedby=\"caption-attachment-2192\" style=\"width: 780px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2192\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/029-sysctl-p.png\" alt=\"sysctl -p\" width=\"780\" height=\"252\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/029-sysctl-p.png 780w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/029-sysctl-p-512x165.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/029-sysctl-p-768x248.png 768w\" sizes=\"auto, (max-width: 780px) 100vw, 780px\" \/><figcaption id=\"caption-attachment-2192\" class=\"wp-caption-text\">sysctl -p<\/figcaption><\/figure>\n<p>Com o comando <span style=\"font-family: andale mono, monospace;\">sysctl -p<\/span> podemos verificar que a altera\u00e7\u00e3o foi feita com sucesso, e com isso j\u00e1 podemos fazer o reencaminhamento de pacotes.<\/p>\n<figure id=\"attachment_2193\" aria-describedby=\"caption-attachment-2193\" style=\"width: 1133px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2193\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/030-Configurar-firewall.png\" alt=\"Configurar firewall\" width=\"1133\" height=\"810\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/030-Configurar-firewall.png 1133w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/030-Configurar-firewall-512x366.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/030-Configurar-firewall-768x549.png 768w\" sizes=\"auto, (max-width: 1133px) 100vw, 1133px\" \/><figcaption id=\"caption-attachment-2193\" class=\"wp-caption-text\">Configurar firewall<\/figcaption><\/figure>\n<p>Para que o roteamento funcione, e esteja ativo assim que o sistema iniciar, \u00e9 preciso editar o arquivo <span style=\"font-family: andale mono, monospace;\">\/etc\/ufw\/before.rules<\/span>, adicionar algumas linhas e editar outras.<\/p>\n<p>Para ativar o roteamento adicione o que est\u00e1 nas linhas 11 a 17 na imagem acima, e na linha 35, antes de <span style=\"font-family: andale mono, monospace;\">RELATED<\/span>, adicione <span style=\"font-family: andale mono, monospace;\">NEW<\/span>.<\/p>\n<p>Tamb\u00e9m \u00e9 poss\u00edvel que seja necess\u00e1rio criar uma regra permitindo o tr\u00e1fego na interface da rede interna.<\/p>\n<figure id=\"attachment_2194\" aria-describedby=\"caption-attachment-2194\" style=\"width: 1280px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2194\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/031-Cliente-Windows-com-acesso-a-internet.png\" alt=\"Cliente Windows com acesso \u00e0 internet\" width=\"1280\" height=\"800\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/031-Cliente-Windows-com-acesso-a-internet.png 1280w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/031-Cliente-Windows-com-acesso-a-internet-512x320.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/031-Cliente-Windows-com-acesso-a-internet-768x480.png 768w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/031-Cliente-Windows-com-acesso-a-internet-800x500.png 800w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><figcaption id=\"caption-attachment-2194\" class=\"wp-caption-text\">Cliente Windows com acesso \u00e0 internet<\/figcaption><\/figure>\n<p>E na imagem acima podemos ver que o cliente tem acesso \u00e0 internet e que a resolu\u00e7\u00e3o de endere\u00e7os funciona corretamente.<\/p>\n<figure id=\"attachment_2196\" aria-describedby=\"caption-attachment-2196\" style=\"width: 1280px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-2196\" src=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/032-Cliente-Linux-com-acesso-a-internet.png\" alt=\"Cliente Linux com acesso \u00e0 internet\" width=\"1280\" height=\"800\" srcset=\"https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/032-Cliente-Linux-com-acesso-a-internet.png 1280w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/032-Cliente-Linux-com-acesso-a-internet-512x320.png 512w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/032-Cliente-Linux-com-acesso-a-internet-768x480.png 768w, https:\/\/wordpress.pedrorotoli.com\/wp-content\/uploads\/2022\/04\/032-Cliente-Linux-com-acesso-a-internet-800x500.png 800w\" sizes=\"auto, (max-width: 1280px) 100vw, 1280px\" \/><figcaption id=\"caption-attachment-2196\" class=\"wp-caption-text\">Cliente Linux com acesso \u00e0 internet<\/figcaption><\/figure>\n<p>Cliente Linux acessando a internet.<\/p>\n<h3 id=\"09\">Conclus\u00e3o<\/h3>\n<p>Nesse trabalho foram aplicados com sucesso os conte\u00fados abordados durante a UFCD, assim como alguns conte\u00fados abordados anteriormente em outras UFCDs, tamb\u00e9m dadas pelo formador Rodrigo Matias.<\/p>\n<p>O BIND 9 foi configurado com sucesso e os clientes que estavam na rede correta conseguiram fazer com sucesso a resolu\u00e7\u00e3o tanto direta como reversa, e o acesso \u00e0 internet tamb\u00e9m funcionou como esperado, tanto para clientes Windows que receberam IP por DHCP como clientes Linux com configura\u00e7\u00e3o de IP\u00a0 manual.<\/p>\n<p>Todos os objetivos do trabalho foram conclu\u00eddos com sucesso.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Servi\u00e7os de Rede UFCD 5106 \u00cdndice Introdu\u00e7\u00e3o; Objetivos; Instala\u00e7\u00e3o e Configura\u00e7\u00e3o do BIND 9; Cria\u00e7\u00e3o do Zone File; Criar uma Zona Reversa para o dom\u00ednio<\/p>\n","protected":false},"author":1,"featured_media":2156,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[79,23,53],"tags":[80,31,27,52],"class_list":["post-1948","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-dns","category-linux","category-network","tag-bind9","tag-dns","tag-linux","tag-ubuntu"],"_links":{"self":[{"href":"https:\/\/wordpress.pedrorotoli.com\/index.php?rest_route=\/wp\/v2\/posts\/1948","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wordpress.pedrorotoli.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wordpress.pedrorotoli.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wordpress.pedrorotoli.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wordpress.pedrorotoli.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1948"}],"version-history":[{"count":11,"href":"https:\/\/wordpress.pedrorotoli.com\/index.php?rest_route=\/wp\/v2\/posts\/1948\/revisions"}],"predecessor-version":[{"id":2200,"href":"https:\/\/wordpress.pedrorotoli.com\/index.php?rest_route=\/wp\/v2\/posts\/1948\/revisions\/2200"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/wordpress.pedrorotoli.com\/index.php?rest_route=\/wp\/v2\/media\/2156"}],"wp:attachment":[{"href":"https:\/\/wordpress.pedrorotoli.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1948"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wordpress.pedrorotoli.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1948"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wordpress.pedrorotoli.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1948"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}