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CrowdSec
CrowdSec is a collaborative, behavior-based intrusion detection engine that parses logs for attack patterns and shares anonymized threat signals across its community, then relies on separate 'bouncer' components to actually block traffic.
Este guia foi elaborado a partir da documentação oficial do CrowdSec, ligada acima — verifique sempre lá os nomes exatos dos pacotes/versões antes de executar estes comandos num servidor de produção, uma vez que as versões da distribuição e do projeto mudam com o tempo.
1Install the Security Engine via the official repository script
curl -s https://install.crowdsec.net | sudo shsudo apt install crowdsecThe script only registers the official CrowdSec package repository; you still install the package explicitly afterward.
2Verify the service is running
sudo systemctl status crowdsec3Add a Remediation Component
CrowdSec's Security Engine only detects and decides — you need a bouncer (e.g. firewall or Nginx bouncer) installed separately to enforce bans.