Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.
Parses logs for attacks and bans the sources, with shared blocklists and bouncers for many proxies and firewalls.
alternatives to
Fail2ban
Daemon to ban hosts that cause multiple authentication errors
Side by side
| Tool | Fit | Stars | Licence | Terms | Self-hosted | Language | Latest | Last push |
|---|---|---|---|---|---|---|---|---|
| CrowdSec | Full replacement | 15k | MIT | Open source | Yes | Go | v1.8.1 | 2026-10-05 |
Every alternative
1 alternative
About Fail2ban
- Language
- Python
- Licence
- Other
- Stars
- 19k
- Last push
- 2026-09-28