{"id":737,"date":"2025-06-05T23:52:14","date_gmt":"2025-06-06T02:52:14","guid":{"rendered":"https:\/\/helpsysadmin.com.br\/blog\/how-to-install-crowdsec\/"},"modified":"2026-01-30T02:50:18","modified_gmt":"2026-01-30T05:50:18","slug":"how-to-install-crowdsec","status":"publish","type":"post","link":"https:\/\/helpsysadmin.com.br\/blog\/en\/how-to-install-crowdsec\/","title":{"rendered":"How to install Crowdsec"},"content":{"rendered":"<div id=\"helps-3549809630\" 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\"><strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-crowdsec\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"CrowdSec\" target=\"_blank\" rel=\"noopener\">CrowdSec<\/a><\/strong> is a new security project designed to protect virtual servers(VPS, CLOUD), dedicated servers, exposed on the Internet. <a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-crowdsec\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"CrowdSec\" target=\"_blank\" rel=\"noopener\">CrowdSec<\/a> installs an agent on the server that analyzes the logs of various applications looking for intrusion attempts. Depending on the configuration these IPs are blocked by the bounce on the server and sent to the <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> network that analyzes and redistributes these IPs creating an increasingly secure and updated network. Crowdsec was inspired by Fail2Ban and aims to be a collaborative and modernized version of this intrusion prevention framework.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">In <a href=\"https:\/\/hub.crowdsec.net\/\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Hub(click here)<\/strong><\/a> we found <br><strong>Collections<\/strong>: they are packages of analyzers, scenarios, post-overflows that form a coherent set.<br><strong>Configurations:<\/strong> are the settings that will detect the types of threats<strong>.<br>Bouncers<\/strong>: are plugins that block ips according to crowdsec &#8220;decisions&#8221; (BAN, CAPTCHA\u2026) There are several types of integration such as iptables (default), cloudflare firewall, wordpress plugin, magento, windows server firewall and many others.<br><\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><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\" 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\"><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-install-the-agent\">install the 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 <a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-crowdsec\/\" data-internallinksmanager029f6b8e52c=\"1\" title=\"Como instalar Crowdsec\" target=\"_blank\" rel=\"noopener\">Linux<\/a><\/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 class=\"wp-block-heading\">Install Firewall (bouncer)<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">crowdsec-firewall-bouncer will fetch new and old decisions from a <a href=\"https:\/\/helpsysadmin.com.br\/blog\/como-instalar-crowdsec\/\" data-internallinksmanager029f6b8e52c=\"2\" title=\"CrowdSec\" target=\"_blank\" rel=\"noopener\">CrowdSec<\/a> API and add them to a blocklist used by supported firewalls.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>You need to choose a package according to your firewall system:<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">To find out whether your system is using iptables or nftables, you can run the following command:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>iptables -V<\/strong> . If you see &#8216;nt_tables&#8217; mentioned in the output, you are using nftables.<strong>Remember to choose iptables below only if nt_tables does not appear for you.<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong><strong>Debian\/Ubuntu<\/strong> <strong>with Iptables<\/strong><\/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><strong>RHEL\/Almalinux\/Amazon Linux<\/strong> <strong>with Iptables<\/strong><\/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>with<\/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>with<\/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\">When installing crowdsec, &#8220;collections&#8221; of some systems that you have on your server are already pre-configured.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Run the following command and see which collections have been installed<\/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\">You will see something similar:<\/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\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">You will be able to install new collections, configurations or bouncers according to your needs through the website <a href=\"https:\/\/app.crowdsec.net\/hub\" target=\"_blank\" rel=\"noreferrer noopener\"><strong>Hub Crowdsec(click here)<\/strong><\/a>. Below are examples of some commonly used collections. Simply paste the line of the collection you wish to install, depending on its availability on your server.<\/p>\n\n\n\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-7387b849 wp-block-group-is-layout-flex\">\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\ncscli collections install crowdsecurity\/cpanel<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><br><\/p>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">This is one of the tools we use on our customers&#8217; servers. <a href=\"https:\/\/helpsysadmin.com.br\/en\/\" target=\"_blank\" rel=\"noreferrer noopener\">Server management.<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\" id=\"block-a4be4724-3d6b-4ad2-b61f-68ba6755adc9\">See more: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/en\/how-to-install-glances-to-monitor-the-server\/\">How to install Glances to monitor the server<\/a><\/strong><br>See more: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/en\/antivirus-antimalware-antiphishing-on-centos-or-cloudlinux-with-clamav\/\">Antivirus, Antimalware, Antiphishing on CentOS 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\/\">How to Install Portainer for Docker Management with Nginx Proxy Manager on Ubuntu<\/a><\/strong><br>See more: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/en\/almalinux-x-rock-linux\/\" target=\"_blank\" rel=\"noreferrer noopener\">Almalinux x Rock Linux<\/a><\/strong><br>Veja mais: <strong><a href=\"https:\/\/helpsysadmin.com.br\/blog\/almalinux-e-rock-linux\/\" target=\"_blank\" rel=\"noreferrer noopener\">Almalinux e Rock Linux<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>CrowdSec is a new security project designed to protect virtual servers(VPS, CLOUD), dedicated servers, exposed on the Internet. CrowdSec installs an agent [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":720,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1206,1209,1204],"tags":[1223,1213,1417,1217],"class_list":["post-737","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-linux","category-security","category-server-management","tag-almalinux-en","tag-linux-server","tag-security","tag-ubuntu-en-2"],"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>How to install Crowdsec - Blog HelpSysAdmin<\/title>\n<meta name=\"description\" content=\"Learn, in a complete and detailed way, how to install CrowdSec on your Linux server and start protecting your applications against attacks.\" \/>\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\/en\/how-to-install-crowdsec\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to install Crowdsec\" \/>\n<meta property=\"og:description\" content=\"Learn, in a complete and detailed way, how to install CrowdSec on your Linux server and start protecting your applications against attacks.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/helpsysadmin.com.br\/blog\/en\/how-to-install-crowdsec\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog HelpSysAdmin\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-06T02:52:14+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-01-30T05:50:18+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=\"2312\" \/>\n\t<meta property=\"og:image:height\" content=\"1210\" \/>\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\\\/en\\\/how-to-install-crowdsec\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/en\\\/how-to-install-crowdsec\\\/\"},\"author\":{\"name\":\"HelpSysAdmin\",\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/#\\\/schema\\\/person\\\/bdbe3d7d71a0c6a3cb474c18da574efb\"},\"headline\":\"How to install Crowdsec\",\"datePublished\":\"2025-06-06T02:52:14+00:00\",\"dateModified\":\"2026-01-30T05:50:18+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/en\\\/how-to-install-crowdsec\\\/\"},\"wordCount\":409,\"publisher\":{\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/en\\\/how-to-install-crowdsec\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\/\\/helpsysadmin.com.br\\/blog\\/wp-content\\/uploads\\/2022\\/04\\/crowdsec__logo-e1652205244323.jpg\",\"keywords\":[\"almalinux\",\"linux server\",\"security\",\"ubuntu\"],\"articleSection\":[\"Linux\",\"Security\",\"server management\"],\"inLanguage\":\"pt-BR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/en\\\/how-to-install-crowdsec\\\/\",\"url\":\"https:\\\/\\\/helpsysadmin.com.br\\\/blog\\\/en\\\/how-to-install-crowdsec\\\/\",\"name\":\"How to install Crowdsec - 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