// screenshot of crowdsec.net ↗
CrowdSec is a collaborative IPS (Intrusion Prevention System) — analyzes logs, detects attacks (SSH brute-force, web attacks, scanners), shares attack data across the CrowdSec community for collective defense. Modern Fail2Ban replacement with community threat intelligence.
CrowdSec is a collaborative IPS (Intrusion Prevention System) — analyzes logs, detects attacks (SSH brute-force, web attacks, scanners), shares attack data across the CrowdSec community for collective defense. Modern Fail2Ban replacement with community threat intelligence.
For self-hosters running internet-facing services, CrowdSec adds a collective immunity layer beyond static IP blocking.
Concrete scenarios where teams pick CrowdSec over the SaaS alternative.
automatic blocking of attackers
block scanners attacking SSH
block SQL injection, XSS attempts
benefit from blocked IPs across CrowdSec network
separate analyzers from blockers
If your team profile matches one of these, CrowdSec is a strong fit out of the box.
running internet-facing services
managing public servers
hardening production infrastructure
wanting community defense
protecting customer servers
When evaluating self-hosted options for this category, here are the dimensions on which CrowdSec consistently lands above the alternatives.
The stack you'll plug CrowdSec into — services, protocols, and adjacent apps in the BluixApps catalog.
crowdsecurity/crowdsec:v1.6 (release-tagged)Operational guidance from running this in production — what to do before you scale, what to lock down, what surprises people.