{"id":710,"date":"2025-06-05T17:33:00","date_gmt":"2025-06-05T20:33:00","guid":{"rendered":"https:\/\/helpsysadmin.com.br\/blog\/?p=710"},"modified":"2026-06-11T04:16:55","modified_gmt":"2026-06-11T07:16:55","slug":"como-instalar-crowdsec","status":"publish","type":"post","link":"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-crowdsec\/","title":{"rendered":"Como instalar Crowdsec"},"content":{"rendered":"<div id=\"helps-2429564775\" 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<p class=\"wp-block-paragraph\"><a href=\"https:\/\/www.crowdsec.net\/\" target=\"_blank\" rel=\"noreferrer noopener\">CrowdSec<\/a> \u00e9 um software de seguran\u00e7a de c\u00f3digo aberto projetado para proteger  sistemas contra ataques cibern\u00e9ticos. Ele utiliza uma abordagem baseada em multid\u00e3o (crowdsourcing) para coletar informa\u00e7\u00f5es sobre atividades maliciosas e distribuir essa intelig\u00eancia para proteger outros sistemas.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O <a href=\"https:\/\/helpsysadmin.com.br\/blog\/fail2ban-vs-crowdsec-em-producao\/\" data-internallinksmanager029f6b8e52c=\"4\" title=\"Fail2Ban vs CrowdSec em Produ\u00e7\u00e3o: Qual \u00e9 a Melhor Solu\u00e7\u00e3o de Seguran\u00e7a para Servidores Linux?\" target=\"_blank\" rel=\"noopener\">CrowdSec<\/a> monitora e analisa registros de eventos de seguran\u00e7a em tempo real, como logs de autentica\u00e7\u00e3o, registros de firewall e outros dados relevantes. Com base nessa an\u00e1lise, ele identifica padr\u00f5es e comportamentos suspeitos, incluindo tentativas de login mal-sucedidas, explora\u00e7\u00e3o de vulnerabilidades e ataques de for\u00e7a bruta.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Quando um evento malicioso \u00e9 detectado, o CrowdSec bloqueia o acesso do endere\u00e7o IP respons\u00e1vel pelo ataque, impedindo assim que o atacante tenha sucesso em comprometer o sistema alvo. Essa informa\u00e7\u00e3o de bloqueio \u00e9 compartilhada e distribu\u00edda entre outros usu\u00e1rios do CrowdSec, criando uma rede colaborativa de prote\u00e7\u00e3o.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Uma das vantagens do CrowdSec \u00e9 sua capacidade de aprendizado cont\u00ednuo. \u00c0 medida que mais sistemas usam o CrowdSec e compartilham informa\u00e7\u00f5es sobre ataques bem-sucedidos, o software se torna mais eficiente em identificar e bloquear atividades maliciosas com base em padr\u00f5es conhecidos.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O CrowdSec \u00e9 uma ferramenta flex\u00edvel e pode ser integrado a v\u00e1rios componentes de infraestrutura de seguran\u00e7a, como firewalls, servidores web e proxies. Ele fornece uma camada adicional de prote\u00e7\u00e3o contra uma ampla variedade de ataques cibern\u00e9ticos e pode ser uma adi\u00e7\u00e3o valiosa a uma estrat\u00e9gia de seguran\u00e7a abrangente.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Em seu <a href=\"https:\/\/hub.crowdsec.net\/\" target=\"_blank\" rel=\"noreferrer noopener\">Hub<\/a> encontramos: <br><strong>Collections<\/strong>: s\u00e3o pacotes de analisadores, cen\u00e1rios, p\u00f3s-overflows que formam um conjunto coerente.<br><strong>Configurations:<\/strong> s\u00e3o as configura\u00e7\u00f5es que ir\u00e3o detectar os tipos de amea\u00e7as<strong>.<br>Bouncers<\/strong>:  s\u00e3o plugins que bloqueiam ips de acordo com as &#8220;decisons&#8221; do crowdsec (BAN, CAPTCHA\u2026)Existem v\u00e1rios tipos de integra\u00e7\u00e3o como iptables(default), firewall cloudflare, plugin wordpress, magento, firewall windows server e muitos outros.<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img data-opt-id=53067265  fetchpriority=\"high\" decoding=\"async\" width=\"851\" height=\"661\" src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2022\/04\/crowdsec_architecture.png\" alt=\"\" class=\"wp-image-732\" style=\"width:619px;height:480px\" srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:851\/h:661\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2022\/04\/crowdsec_architecture.png 851w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:233\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2022\/04\/crowdsec_architecture.png 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:597\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2022\/04\/crowdsec_architecture.png 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:179\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2022\/04\/crowdsec_architecture.png 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:272\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2022\/04\/crowdsec_architecture.png 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:373\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2022\/04\/crowdsec_architecture.png 480w\" sizes=\"(max-width: 851px) 100vw, 851px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Neste post vamos instalar Crowdsec com bouncer &#8220;crowdsec-firewall-bouncer&#8221; .<\/p>\n\n\n\n<h2 id=\"h-instalar-o-agent\" class=\"wp-block-heading\">Instalar o Agent<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Debian\/Ubuntu<\/strong><\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>curl -s https:\/\/packagecloud.io\/install\/repositories\/crowdsec\/crowdsec\/script.deb.sh | sudo bash\napt-get install crowdsec\nsystemctl enable crowdsec\nsystemctl start crowdsec<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>RHEL\/Almalinux\/Amazon Linux<\/strong><\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>curl -s https:\/\/packagecloud.io\/install\/repositories\/crowdsec\/crowdsec\/script.rpm.sh | sudo bash\nyum install crowdsec\nsystemctl enable crowdsec\nsystemctl start crowdsec<\/pre><\/div>\n\n\n\n<h2 id=\"h-instalar-o-firewall-bouncer\" class=\"wp-block-heading\">Instalar o Firewall(bouncer)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">crowdsec-firewall-bouncer buscar\u00e1 decis\u00f5es novas e antigas de uma API do CrowdSec e as adicionar\u00e1 a uma lista de bloqueio usada por firewalls suportados.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Voc\u00ea precisa escolher <strong>um<\/strong> <strong>pacote de acordo com o seu sistema de firewall<\/strong>:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Para saber se seu sistema est\u00e1 usando iptables ou nftables, voc\u00ea pode executar o seguinte comando:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>iptables -V<\/strong> Se voc\u00ea ver a men\u00e7\u00e3o de &#8216;nt_tables&#8217; na sa\u00edda, voc\u00ea est\u00e1 usando nftables. <strong>Lembre-se, escolha iptables abaixo apenas se nt_tables n\u00e3o aparecer para voc\u00ea. <\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Debian\/Ubuntu<\/strong> <strong>com Iptables<\/strong><\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>curl -s https:\/\/packagecloud.io\/install\/repositories\/crowdsec\/crowdsec\/script.deb.sh | sudo bash\napt install crowdsec-firewall-bouncer-iptables\nsystemctl enable crowdsec-firewall-bouncer\nsystemctl start crowdsec-firewall-bouncer<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>RHEL\/Almalinux\/Amazon Linux<\/strong> <strong>com Iptables<\/strong><\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>curl -s https:\/\/packagecloud.io\/install\/repositories\/crowdsec\/crowdsec\/script.rpm.sh | sudo bash\nyum install crowdsec-firewall-bouncer-iptables\nsystemctl enable crowdsec-firewall-bouncer\nsystemctl start crowdsec-firewall-bouncer<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Debian\/Ubuntu<\/strong> <strong>com<\/strong> <strong>NFTables<\/strong><\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>curl -s https:\/\/packagecloud.io\/install\/repositories\/crowdsec\/crowdsec\/script.rpm.sh | sudo bash\napt install crowdsec-firewall-bouncer-nftables\nsystemctl enable crowdsec-firewall-bouncer\nsystemctl start crowdsec-firewall-bouncer<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>RHEL\/Almalinux\/Amazon Linux<\/strong> <strong>com<\/strong> <strong>NFTables<\/strong><\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>curl -s https:\/\/packagecloud.io\/install\/repositories\/crowdsec\/crowdsec\/script.rpm.sh | sudo bash\nyum install crowdsec-firewall-bouncer-nftables\nsystemctl enable crowdsec-firewall-bouncer\nsystemctl start crowdsec-firewall-bouncer<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Ao instalar crowdsec, j\u00e1 s\u00e3o pr\u00e9 configuradas   &#8220;collections&#8221;  de alguns sistemas que voc\u00ea tem em seu servidor.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Execute o seguinte comando e veja quais collections foram instaladas<\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>cscli collections list<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Voc\u00ea ver\u00e1 algo parecido:<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img data-opt-id=152425851  fetchpriority=\"high\" decoding=\"async\" width=\"880\" height=\"166\" src=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2022\/04\/list-collections.png\" alt=\"\" class=\"wp-image-730\" srcset=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:880\/h:166\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2022\/04\/list-collections.png 880w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:300\/h:57\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2022\/04\/list-collections.png 300w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:768\/h:145\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2022\/04\/list-collections.png 768w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:230\/h:43\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2022\/04\/list-collections.png 230w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:350\/h:66\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2022\/04\/list-collections.png 350w, https:\/\/mlkpd8g42nae.i.optimole.com\/w:480\/h:91\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2022\/04\/list-collections.png 480w\" sizes=\"(max-width: 880px) 100vw, 880px\" \/><figcaption class=\"wp-element-caption\">No site <a href=\"https:\/\/hub.crowdsec.net\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Hub do Crowdsec(clique aqui para visitar o hub)<\/strong><\/a>, voc\u00ea ter\u00e1 mais informa\u00e7\u00f5es sobre as Collections instaladas.<\/figcaption><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Voc\u00ea poder\u00e1 instalar novas collections, configurations ou bouncers de acordo com suas necessidades atrav\u00e9s do site <a href=\"https:\/\/hub.crowdsec.net\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Hub do Crowdsec<\/strong><\/a>. Abaixo segue exemplo de algumas collections bastante utilizadas. Basta colar a linha da collection que deseja instalar de acordo com a disponibilidade no seu servidor. <\/p>\n\n\n\n<div class=\"wp-block-codemirror-blocks-code-block code-block\"><pre>cscli collections install crowdsecurity\/nginx\ncscli collections install crowdsecurity\/http-cve\ncscli collections install crowdsecurity\/iptables\ncscli collections install crowdsecurity\/linux\ncscli collections install crowdsecurity\/linux-lpe\ncscli collections install crowdsecurity\/mariadb\ncscli collections install fulljackz\/pureftpd\ncscli collections install crowdsecurity\/sshd\ncscli collections install crowdsecurity\/wordpress\ncscli collections install crowdsecurity\/appsec-crs\ncscli collections install crowdsecurity\/dovecot\ncscli collections install crowdsecurity\/appsec-generic-rules\ncscli collections install crowdsecurity\/appsec-virtual-patching\ncscli collections install crowdsecurity\/appsec-wordpress\ncscli collections install crowdsecurity\/base-http-scenarios\ncscli collections install crowdsecurity\/exim\ncscli collections install crowdsecurity\/http-dos\ncscli collections install crowdsecurity\/linux-lpe\ncscli collections install crowdsecurity\/modsecurity\ncscli collections install crowdsecurity\/whitelist-good-actors\ncscli collections install crowdsecurity\/cpanel\ncscli collections install crowdsecurity\/litespeed<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Ap\u00f3s a instala\u00e7\u00e3o das rules. execute:<br>systemctl reload crowdsec<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Esta \u00e9 uma das ferramentas que utilizamos nos servidores de nossos clientes de <a href=\"https:\/\/helpsysadmin.com.br\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>gerenciamento de servidor.<\/strong><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><br>Veja mais: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/configurar-lamp-com-wordpress-e-lets-encrypt\/\" target=\"_blank\" rel=\"noreferrer noopener\">Como configurar lamp com wordpress e let\u00b4s encrypt<\/a><\/strong><br>Veja mais: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/configurar-lemp-com-wordpress-e-lets-encrypt\/\" target=\"_blank\" rel=\"noreferrer noopener\">Como configurar lemp com wordpress e let\u00b4s encrypt<\/a><\/strong><br>See more: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/en\/how-to-install-crowdsec\/\">How to install Crowdsec<\/a><\/strong><br>See more: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/en\/antivirus-antimalware-antiphishing-on-centos-or-cloudlinux-with-clamav\/\" target=\"_blank\" rel=\"noreferrer noopener\">Antivirus, Antimalware, Antiphishing on Almalinux or Cloudlinux with ClamAV<\/a><\/strong><br>See more: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/en\/install-portainer-for-docker-with-nginx-proxy-manager\/\" target=\"_blank\" rel=\"noreferrer noopener\">How to Install Portainer for Docker Management with Nginx Proxy Manager on Ubuntu<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>CrowdSec \u00e9 um software de seguran\u00e7a de c\u00f3digo aberto projetado para proteger sistemas contra ataques cibern\u00e9ticos. Ele utiliza uma abordagem baseada em [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":719,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9,1279,89],"tags":[],"class_list":["post-710","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-gerenciamento-servidor","category-linux","category-seguranca-do-servidor"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.9 (Yoast SEO v27.9) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Como instalar Crowdsec - Blog HelpSysAdmin<\/title>\n<meta name=\"description\" content=\"Guia completo e passo a passo para instalar e configurar o CrowdSec no seu servidor, garantindo maior prote\u00e7\u00e3o contra ataques e acessos maliciosos.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-crowdsec\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Como instalar Crowdsec\" \/>\n<meta property=\"og:description\" content=\"Guia completo e passo a passo para instalar e configurar o CrowdSec no seu servidor, garantindo maior prote\u00e7\u00e3o contra ataques e acessos maliciosos.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-crowdsec\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog HelpSysAdmin\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-05T20:33:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-11T07:16:55+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mlkpd8g42nae.i.optimole.com\/w:auto\/h:auto\/q:mauto\/f:best\/https:\/\/helpsysadmin.com.br\/blog\/wp-content\/uploads\/2022\/04\/crowdsec__logo-e1652205244323.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"600\" \/>\n\t<meta property=\"og:image:height\" content=\"314\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"HelpSysAdmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@brhelpsysad\" \/>\n<meta name=\"twitter:site\" content=\"@brhelpsysad\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/como-instalar-crowdsec\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/como-instalar-crowdsec\\\/\"},\"author\":{\"name\":\"HelpSysAdmin\",\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/#\\\/schema\\\/person\\\/bdbe3d7d71a0c6a3cb474c18da574efb\"},\"headline\":\"Como instalar Crowdsec\",\"datePublished\":\"2025-06-05T20:33:00+00:00\",\"dateModified\":\"2026-06-11T07:16:55+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/como-instalar-crowdsec\\\/\"},\"wordCount\":623,\"publisher\":{\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/como-instalar-crowdsec\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\/\\/helpsysadmin.com.br\\/blog\\/wp-content\\/uploads\\/2022\\/04\\/crowdsec__logo-e1652205244323.jpg\",\"articleSection\":[\"Gerenciamento de Servidor\",\"Linux\",\"Seguran\u00e7a\"],\"inLanguage\":\"pt-BR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/como-instalar-crowdsec\\\/\",\"url\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/como-instalar-crowdsec\\\/\",\"name\":\"Como instalar Crowdsec - 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