The current version of Fail2ban is 1.1.1 (as of 16/08/2026). patchletter checks the official source daily and emails you new releases.
Fail2ban at a glance
Fail2ban is a widely used tool that scans log files and bans IPs showing malicious signs (repeated failed logins and the like), a common first line of defence on internet-facing servers. Fail2ban ships releases in an unhurried cadence plus fixes.
For admins Fail2ban usually comes from the distribution. The main work is configuration rather than frequent updates: tune the jails, filters and ban times to your services (SSH, web, mail), and verify that filters match your log formats — a misconfigured or silently broken filter means no protection. Keep it current for parsing and security fixes. Because Fail2ban acts on log input and manipulates the firewall, malformed input handling has occasionally been a concern — keep it patched. After updates, confirm that jails are active and bans apply. It complements, not replaces, strong authentication. Patchletter surfaces new Fail2ban releases.
Version history & changelog · as detected by patchletter
| Version | Channel | Date | Notes |
|---|---|---|---|
| 1.1.1 | STABLE | 16/08/2026 | – |
| 1.1.0 | STABLE | 08/07/2026 | – |
Frequently asked questions
- What is the latest version of Fail2ban?
- Fail2ban 1.1.1, released 16/08/2026. patchletter checks the vendor's official source daily for new releases.
- Where can I find the Fail2ban release notes?
- The version history above links to the vendor's official release notes where the vendor publishes them. patchletter deliberately stores no vendor full texts.
- How do I get notified about new Fail2ban updates?
- Tick Fail2ban off in the catalogue and leave your address. From then on new versions go out by email — one at a time, or bundled in the daily or weekly digest.
An email as soon as a new Fail2ban version ships
We reconcile the vendor source daily. When a new version appears, it lands in your inbox right away or bundled as a digest. The update email is free and ends with one click. Alerts about vulnerabilities and end of support are part of patchletter Pro.
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[](https://patchletter.com/en/software/fail2ban)https://patchletter.com/badge/fail2ban.svgAlso available: ?v=eol (end of support) and ?v=cve (actively exploited).
