Articles

PM0001: syslog Tag Issue

2025/01/31: Free, postmortem, v5.4, WPf2b

In WP fail2ban 5.4.0, an issue arose where the syslog tag changed to WordPress (capital W, capital P), causing existing fail2ban filters to stop working.

<Read more>

Version 5.4.0 Changes

2024/11/08: Canonical, Free, GitHub, News, Premium, v5.4, WPf2b

Background

In September I had no intention of creating v5.4 at all; v6.0 was nearly ready for public Beta testing and I was 100% focused on that.

Then in October and seemingly out of nowhere, the WP vs. WPE drama started. For a while it looked like anything with "WP" in the name was at risk, so I paused work on v6.0 and started building v5.4 - just in case.

Although it turned out that an emergency release wasn't needed, the WordPress environment is now fundamentally and permanently different.

The changes in v5.4 directly address the new reality. <Read more>

Upgrading to Version 5

2023/01/16: Feature Change, Free, New Feature, Premium, v5.0, WPf2b

A summary of steps to take and things you should be aware of before upgrading to v5.

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v5b1: Event hooks

2022/10/10: Beta, New Feature, Premium, v5.0, WPf2b

Premium users can now run whatever code they’d like when an event occurs.

<Read more>

v5b1: Site Health Check

2022/10/10: Beta, Free, New Feature, Premium, v5.0, WPf2b

Probably the most common reason WP fail2ban doesn't work “properly” is out-of-date fail2ban filters. <Read more>

Release Notes

Release 5.4.0

2025/01/27: Canonical, Free, Premium, v5.4, WPf2b

  • Add support for Composer. [Canonical only]
  • Add support for AspirePress Update. [Canonical only]
  • Add support for GitHub Updater. [Canonical only]
  • Improve i18n.
  • Fix harmless warning in Site Health filters check (h/t Rodolphe).
  • Update Freemius library.

Release 5.4.0-beta.1

2025/01/08: Beta, Free, v5.4, WPf2b

  • Add support for AspirePress Update. [Canonical only]
  • Add support for GitHub Updater. [Canonical only]
  • Improve i18n.
  • Fix harmless warning in Site Health filters check h/t @Rodolphe.
  • Update Freemius library.

wp-fail2ban-free-5.4.0-beta.1

Release 5.3.4

2024/11/11: Free, Premium, v5.3, WPf2b

  • Improve Site Health filter messages h/t @yardstudio.
  • Update Freemius library.

Release 5.3.3

2024/10/17: Free, Premium, v5.3, WPf2b

  • Fix activation bug when $wp_scripts is uninitialised. Premium only
  • Fix world map dashboard widget. Premium only
  • Update Freemius library.

Release 5.3.2

2024/08/05: Free, Premium, v5.3, WPf2b

  • Drop Site Health checks for free add‑ons.

Archive

Cyber Week 2022

2022/11/28: Archive

50% discount this week only - use code CyberWeek2022 at checkout.

See here for more details.

Release v5.0.0-beta.1

2022/10/04: Archive, Beta, v5.0, WPf2b

This is a major feature BETA release. You MUST update your filters; several features have changed and will not work with older filters.
Premium Users: The v5 database schema is NOT compatible with v4; to revert to v4 you will need to restore your database from backup.

<Read more>