{"id":1130,"date":"2025-06-27T17:15:00","date_gmt":"2025-06-27T20:15:00","guid":{"rendered":"https:\/\/helpsysadmin.com.br\/blog\/?p=1130"},"modified":"2026-03-31T14:29:50","modified_gmt":"2026-03-31T17:29:50","slug":"cabecalhos-de-seguranca-cloudflare","status":"publish","type":"post","link":"https:\/\/helpsysadmin.com.br\/blog\/cabecalhos-de-seguranca-cloudflare\/","title":{"rendered":"Como adicionar cabe\u00e7alhos de seguran\u00e7a usando Cloudflare"},"content":{"rendered":"<div id=\"helps-3413859025\" class=\"helps-before-content-2 helps-entity-placement\"><script async src=\"https:\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-3661896953164277\"\r\n     crossorigin=\"anonymous\"><\/script>\r\n<!-- 2anuncios display quadrado -->\r\n<ins class=\"adsbygoogle\"\r\n     style=\"display:block\"\r\n     data-ad-client=\"ca-pub-3661896953164277\"\r\n     data-ad-slot=\"5051229894\"\r\n     data-ad-format=\"auto\"\r\n     data-full-width-responsive=\"true\"><\/ins>\r\n<script>\r\n     (adsbygoogle = window.adsbygoogle || []).push({});\r\n<\/script><\/div>\n<h2 class=\"wp-block-heading\" id=\"h-o-que-sao-cabecalhos-de-seguranca\">O que s\u00e3o cabe\u00e7alhos de seguran\u00e7a?<\/h2>\n\n\n\n<p>Sempre que um navegador solicita uma p\u00e1gina de um servidor web, o servidor responde com o conte\u00fado junto com &#8220;cabe\u00e7alhos&#8221;. Alguns cabe\u00e7alhos cont\u00eam metadados de conte\u00fado, como quando a p\u00e1gina foi modificada pela \u00faltima vez. Outros incluem o nome e a vers\u00e3o do servidor web, cookies, se o navegador deve armazenar o conte\u00fado em cache, etc. Os cabe\u00e7alhos de seguran\u00e7a s\u00e3o cabe\u00e7alhos que permitem que voc\u00ea diga ao navegador do seu cliente como se comportar ao manipular o conte\u00fado do seu site. Por exemplo, um cabe\u00e7alho pode especificar &#8220;n\u00e3o me abra dentro de um quadro(iframe)&#8221; ou &#8220;fale comigo apenas por HTTPS&#8221;. Existem v\u00e1rios tipos de cabe\u00e7alhos de seguran\u00e7a com fun\u00e7\u00f5es distintas.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-por-que-os-cabecalhos-de-seguranca-sao-tao-importantes\">Por que os cabe\u00e7alhos de seguran\u00e7a s\u00e3o t\u00e3o importantes?<\/h2>\n\n\n\n<p><strong>Preven\u00e7\u00e3o de ataques:<\/strong> Os cabe\u00e7alhos de seguran\u00e7a ajudam a prevenir uma s\u00e9rie de ataques comuns.<br><strong>XSS (Cross-Site Scripting):<\/strong> Impedem que scripts maliciosos sejam executados no navegador do usu\u00e1rio.<br><strong>Clickjacking:<\/strong> Evitam que um site seja embutido em outro de forma enganosa, for\u00e7ando o usu\u00e1rio a realizar a\u00e7\u00f5es indesejadas.<br><strong>Inje\u00e7\u00e3o:<\/strong> Dificultam a inje\u00e7\u00e3o de c\u00f3digo malicioso em formul\u00e1rios e outros pontos de entrada.<br><strong>Prote\u00e7\u00e3o de dados:<\/strong> Ao <a href=\"https:\/\/helpsysadmin.com.br\/blog\/configurar-login-automatico-phpmyadmin\/\" data-internallinksmanager029f6b8e52c=\"3\" title=\"Como Configurar Login Autom\u00e1tico no phpMyAdmin via DirectAdmin\">configurar<\/a> corretamente os cabe\u00e7alhos de seguran\u00e7a, voc\u00ea pode garantir que os dados sens\u00edveis dos seus usu\u00e1rios sejam transmitidos de forma segura, usando protocolos criptografados como HTTPS.<br><strong>Melhora da reputa\u00e7\u00e3o do site:<\/strong> Sites seguros tendem a ter uma melhor classifica\u00e7\u00e3o nos resultados de busca e a gerar mais confian\u00e7a nos usu\u00e1rios.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-tipos-de-cabecalhos-de-seguranca\">Tipos de cabe\u00e7alhos de seguran\u00e7a<\/h2>\n\n\n\n<p>A seguir seguem os cabe\u00e7alhos de seguran\u00e7a que iremos abordar nesse post e fun\u00e7\u00e3o.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-x-content-type-options\"><strong>X-Content-Type-Options<\/strong><\/h5>\n\n\n\n<p>O cabe\u00e7alho de seguran\u00e7a X-Content-Type-Options \u00e9 uma configura\u00e7\u00e3o de seguran\u00e7a HTTP que ajuda a proteger contra ataques baseados em interpreta\u00e7\u00e3o errada do tipo de conte\u00fado, como o MIME sniffing.<br>Ele instrui o navegador a n\u00e3o tentar adivinhar o tipo de conte\u00fado dos arquivos, utilizando apenas o tipo MIME declarado pelo servidor.<\/p>\n\n\n\n<p><strong>Por que o MIME sniffing \u00e9 perigoso?<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>O MIME sniffing ocorre quando o navegador tenta determinar o tipo de arquivo analisando seu conte\u00fado, ignorando o que foi especificado pelo servidor no cabe\u00e7alho Content-Type.<\/li>\n\n\n\n<li>Isso pode levar a problemas de seguran\u00e7a.<\/li>\n\n\n\n<li>Execu\u00e7\u00e3o de scripts maliciosos: Um arquivo enviado como texto pode ser interpretado erroneamente como HTML ou JavaScript, permitindo ataques de Cross-Site Scripting (XSS).<\/li>\n\n\n\n<li>Download inseguro de arquivos: Arquivos maliciosos podem ser executados automaticamente no navegador se o tipo MIME for interpretado de forma incorreta.<\/li>\n<\/ul>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-x-frame-options\"><strong>X-Frame-Options<\/strong><\/h5>\n\n\n\n<p>O cabe\u00e7alho de seguran\u00e7a <strong>X-Frame-Options<\/strong> \u00e9 uma configura\u00e7\u00e3o de seguran\u00e7a HTTP que ajuda a proteger os sites contra ataques de Clickjacking. Ele controla se uma p\u00e1gina pode ou n\u00e3o ser exibida dentro de um iframe em outros sites, impedindo que conte\u00fado leg\u00edtimo seja carregado em contextos maliciosos.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-x-xss-protection\"><strong>X-XSS-Protection<\/strong><\/h5>\n\n\n\n<p>O cabe\u00e7alho de seguran\u00e7a de resposta HTTP X-XSS-Protection \u00e9 uma medida de seguran\u00e7a criada para atenuar os ataques de XSS (Cross-Site Scripting). Os ataques XSS envolvem a inje\u00e7\u00e3o de scripts mal-intencionados em p\u00e1ginas da Web, que podem ser executados por usu\u00e1rios desavisados.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-strict-transport-security\"><strong><code>Strict-Transport-Security<\/code><\/strong><\/h5>\n\n\n\n<p>O cabe\u00e7alho de seguran\u00e7a <strong><code>Strict-Transport-Security<\/code><\/strong> (tamb\u00e9m conhecido como HSTS &#8211; <strong>HTTP Strict Transport Security<\/strong>) \u00e9 uma configura\u00e7\u00e3o de seguran\u00e7a HTTP que for\u00e7a os navegadores a acessarem um site apenas por meio de conex\u00f5es seguras (HTTPS). Ele ajuda a prevenir ataques de <strong>downgrade<\/strong> e <strong>man-in-the-middle (MITM)<\/strong>, protegendo a comunica\u00e7\u00e3o entre os usu\u00e1rios e o servidor.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-referrer-policy\"><strong><code>Referrer-Policy<\/code><\/strong><\/h5>\n\n\n\n<p>O cabe\u00e7alho de seguran\u00e7a <strong><code>Referrer-Policy<\/code><\/strong> \u00e9 essencial para proteger a privacidade do usu\u00e1rio e evitar a exposi\u00e7\u00e3o de informa\u00e7\u00f5es sens\u00edveis atrav\u00e9s do cabe\u00e7alho <code>Referer<\/code>. Escolher a pol\u00edtica correta depende do n\u00edvel de privacidade e das necessidades da aplica\u00e7\u00e3o. Configurar corretamente este cabe\u00e7alho \u00e9 uma pr\u00e1tica recomendada de seguran\u00e7a para qualquer site moderno.<\/p>\n\n\n\n<h5 class=\"wp-block-heading\" id=\"h-content-security-policy\"><font style=\"vertical-align: inherit;\"><font style=\"vertical-align: inherit;\"><strong><strong>Content Security Policy<\/strong><\/strong><\/font><\/font><\/h5>\n\n\n\n<p>O cabe\u00e7alho de seguran\u00e7a <strong>Content Security Policy (CSP)<\/strong> \u00e9 um mecanismo de seguran\u00e7a avan\u00e7ado que ajuda a atenuar uma ampla gama de vulnerabilidades de aplicativos da Web, principalmente ataques de XSS (Cross-Site Scripting). Ele funciona definindo uma lista branca de fontes confi\u00e1veis a partir das quais o navegador pode carregar recursos como scripts, folhas de estilo e imagens.<\/p>\n\n\n\n<p><strong>Observa\u00e7\u00e3o:<\/strong> Se n\u00e3o tiv\u00e9ssemos utilizando o cloudflare seria necess\u00e1rio criar instru\u00e7\u00f5es no Web Server do servidor(NGINX, Apache, Litespeed&#8230;)<\/p>\n\n\n\n<p>1-  Acesse sua conta no cloudflare, clique no dom\u00ednio que iremos implementar as security headers.<\/p>\n\n\n\n<p>2- em DNS clique em Records, certifique-se que na entrada do tipo A com o nome de seu dom\u00ednio esteja com a nuvem laranja.(fa\u00e7a o mesmo com www).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=900127888  fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"439\" src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:439\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/dns_proxied.jpg\" alt=\"\" class=\"wp-image-1133\" srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:439\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/dns_proxied.jpg 1024w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:129\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/dns_proxied.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:329\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/dns_proxied.jpg 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1000\/h:428\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/dns_proxied.jpg 1000w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:99\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/dns_proxied.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:150\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/dns_proxied.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:206\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/dns_proxied.jpg 480w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1370\/h:587\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/dns_proxied.jpg 1370w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>3 &#8211; Na coluna da esquerda, clique no menu <strong>Rules<\/strong> e em <strong>overview:<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=2042952244  fetchpriority=\"high\" decoding=\"async\" width=\"1024\" height=\"253\" src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:253\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/rules_cloudflare.jpg\" alt=\"\" class=\"wp-image-1638\" srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:253\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/rules_cloudflare.jpg 1024w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:74\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/rules_cloudflare.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:190\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/rules_cloudflare.jpg 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1536\/h:380\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/rules_cloudflare.jpg 1536w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1000\/h:247\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/rules_cloudflare.jpg 1000w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:57\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/rules_cloudflare.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:87\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/rules_cloudflare.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:119\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/rules_cloudflare.jpg 480w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1900\/h:470\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/rules_cloudflare.jpg 1900w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>4 &#8211; Localize &#8220;<strong>Response Header Transform Rules<\/strong>&#8221; e clique a  frente em <strong>create rule<\/strong><\/p>\n\n\n\n<p>Em Rule name, d\u00ea um nome para identificar suas rules. Exemplo: cabe\u00e7alhos de seguran\u00e7a <\/p>\n\n\n\n<p>5 &#8211; Em <strong>If incoming requests match\u2026<\/strong>marque a op\u00e7\u00e3o &#8220;<strong>All incoming requests<\/strong>&#8221; e em <strong>Then&#8230;<\/strong><\/p>\n\n\n\n<p>selecione <strong>Set static<\/strong>. Nos campos Header name e value voc\u00ea dever\u00e1 preencher cada um com o conte\u00fado abaixo:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=557828389  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:673\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/security_rules.jpg\"  decoding=\"async\" width=\"1024\" height=\"673\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%201024%20673%22%20width%3D%221024%22%20height%3D%22673%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%221024%22%20height%3D%22673%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"cabe\u00e7alhos de seguran\u00e7a\" class=\"wp-image-1639\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:673\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/security_rules.jpg 1024w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:197\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/security_rules.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:505\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/security_rules.jpg 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1000\/h:657\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/security_rules.jpg 1000w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:151\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/security_rules.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:230\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/security_rules.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:315\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/security_rules.jpg 480w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1102\/h:724\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2025\/06\/security_rules.jpg 1102w\" \/><\/figure>\n\n\n\n<p> Abaixo segue o nome do header e o valor que iremos utilizar.<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Header name<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\"><strong>Value<\/strong><\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">x-content-type-options<\/td><td class=\"has-text-align-center\" data-align=\"center\">nosniff<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">x-frame-options<\/td><td class=\"has-text-align-center\" data-align=\"center\">SAMEORIGIN<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">x-xss-protection<\/td><td class=\"has-text-align-center\" data-align=\"center\">1; mode=block<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">strict-transport-security<\/td><td class=\"has-text-align-center\" data-align=\"center\">max-age=31536000; includeSubDomains; preload<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">referrer-policy<\/td><td class=\"has-text-align-center\" data-align=\"center\">no-referrer-when-downgrade<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">content-security-policy<\/td><td class=\"has-text-align-center\" data-align=\"center\">upgrade-insecure-requests; block-all-mixed-content<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\">permissions-policy<\/td><td class=\"has-text-align-center\" data-align=\"center\">accelerometer=(), camera=(), geolocation=(), gyroscope=(), magnetometer=(), microphone=(), midi=()<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p>Seguindo a tabela acima preencha o Header name e valor. Ao final clique em <strong>deploy<\/strong> para ativar os headers.<\/p>\n\n\n\n<p>Ao terminar, voc\u00ea ter\u00e1 este resultado.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=849732484  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:504\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/security_reader.jpg\"  decoding=\"async\" width=\"1024\" height=\"504\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%201024%20504%22%20width%3D%221024%22%20height%3D%22504%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%221024%22%20height%3D%22504%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"\" class=\"wp-image-1141\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:504\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/security_reader.jpg 1024w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:148\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/security_reader.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:378\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/security_reader.jpg 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1536\/h:756\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/security_reader.jpg 1536w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1000\/h:492\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/security_reader.jpg 1000w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:113\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/security_reader.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:172\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/security_reader.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:236\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/security_reader.jpg 480w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1575\/h:775\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/security_reader.jpg 1575w\" \/><\/figure>\n\n\n\n<p>Agora vamos testar se os cabe\u00e7alhos de seguran\u00e7a est\u00e3o ok em seu site. Acesse <a href=\"https:\/\/securityheaders.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">https:\/\/securityheaders.com\/<\/a> , digite seu dom\u00ednio e a seguir bot\u00e3o scan. Voc\u00ea ter\u00e1 este resultado:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-opt-id=738488622  data-opt-src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:500\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/site_security_headers.jpg\"  decoding=\"async\" width=\"1024\" height=\"500\" src=\"data:image/svg+xml,%3Csvg%20viewBox%3D%220%200%201024%20500%22%20width%3D%221024%22%20height%3D%22500%22%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%3E%3Crect%20width%3D%221024%22%20height%3D%22500%22%20fill%3D%22transparent%22%2F%3E%3C%2Fsvg%3E\" alt=\"Security Headers\" class=\"wp-image-1143\" old-srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:1024\/h:500\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/site_security_headers.jpg 1024w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:147\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/site_security_headers.jpg 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:375\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/site_security_headers.jpg 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1536\/h:750\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/site_security_headers.jpg 1536w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1000\/h:489\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/site_security_headers.jpg 1000w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:112\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/site_security_headers.jpg 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:171\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/site_security_headers.jpg 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:234\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/site_security_headers.jpg 480w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:1656\/h:809\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2024\/11\/site_security_headers.jpg 1656w\" \/><\/figure>\n\n\n\n<p><br><\/p>\n\n\n\n<p>Veja Mais: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-crowdsec\/\">Como instalar Crowdsec<\/a><\/strong><br>Veja Mais: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/instalar-engintron-nginx-cpanel\/\">Como instalar Engintron(NGINX) cPanel\/WHM<\/a><\/strong><br><br>See More: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/en\/how-to-install-engintronnginx-cpanel-whm\/\">How to install Engintron(NGINX) cPanel\/WHM<\/a><\/strong><br>See More: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/en\/complete-guide-directadmin-for-administrators\/\">Complete Guide to DirectAdmin for Administrators: Installation, Security, and Performance<\/a><\/strong><br>See More: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/en\/how-do-i-add-security-headers-using-cloudflare\/\">How do I add security headers using Cloudflare?<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>O que s\u00e3o cabe\u00e7alhos de seguran\u00e7a? Sempre que um navegador solicita uma p\u00e1gina de um servidor web, o servidor responde com o [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":2129,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,89],"tags":[90,13,18,3,16],"class_list":["post-1130","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gerenciamento-servidor","category-seguranca-do-servidor","tag-almalinux","tag-linux","tag-seguranca","tag-servidor-linux","tag-ubuntu"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.5 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Como adicionar cabe\u00e7alhos de seguran\u00e7a usando Cloudflare<\/title>\n<meta name=\"description\" content=\"Guia completo e detalhado sobre como adicionar cabe\u00e7alhos de seguran\u00e7a ao seu site utilizando o Cloudflare\" 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