compare
CrowdSec vs Fail2ban
The same facts for both, read from GitHub every night, and the relation a person reviewed.
| Fact | CrowdSec | Fail2ban |
|---|---|---|
| Language | Go | Python |
| Licence | MIT | Other |
| Stars | 15k | 19k |
| Latest | v1.8.1 | 1.1.1 |
| Last push | 2026-10-05 | 2026-09-28 |
| Release cadence | about 58 days between releases | about 603 days between releases |
| Active contributors | 12 commit authors on the default branch in the last 90 days | 7 commit authors on the default branch in the last 90 days |
| Flags | none | none |
How they relate
CrowdSec replaces Fail2ban. Alternatives to Fail2ban →
Full replacementParses logs for attacks and bans the sources, with shared blocklists and bouncers for many proxies and firewalls.
CrowdSec
- v1.8.12026-09-03This release fixes a false positive in the bot detection feature for Brave Browser with shields enabled.
- v1.8.02026-08-31This release brings a major change to the CrowdSec WAF: a bot detection feature.
- v1.8.0-rc22026-08-25This release brings a major change to the CrowdSec WAF: a bot detection feature.pre-release
- v1.8.0-rc12026-07-27This release brings a major change to the CrowdSec WAF: a bot detection feature.pre-release
- v1.7.82026-05-11WAF: OpenAPI schema validation (#4097) @blotus
Fail2ban
- 1.1.12026-08-151.1.1 (2026/08/15) - triple-one-win
- 1.1.02024-04-251.1.0 (2024/04/25) - object-found--norad-59479-cospar-2024-069a--altitude-36267km
- 1.0.22022-11-091.0.2 (2022/11/09) - finally-war-game-test-tape-not-a-nuclear-alarm
- 1.0.12022-09-271.0.1 (2022/09/27) - energy-equals-mass-times-the-speed-of-light-squared
- 0.11.22020-11-230.11.2 (2020/11/23) - heal-the-world-with-security-tools
CrowdSec
✓ signed The latest release, v1.8.1, carries a signature GitHub verified.
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Fail2ban
✓ signed The latest release, 1.1.1, carries a signature GitHub verified.
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