WP fail2ban Blocklist is a collaborative preemptive blocklist for WordPress.
As of April 2026, WP fail2ban Blocklist is a WordPress fail2ban plugin with 4.0K+ active installations and a 5/5 rating from 2 reviews. It has been downloaded 27K+ times in total. Requires WordPress 4.9+ and PHP 7.4+. Available on WordPress.org since 2022. Download volume is stable this week. Top alternative: WP fail2ban – Advanced Security.
There are many plugins that use a database to check for malicious IPs after they connect, and of course fail2ban stops repeated attacks, but what if bad IPs could be blocked before they attack?
By working collaboratively – sharing attack data – WP fail2ban Blocklist does exactly that.
The Blocklist Network Service (BNS) collects attack data from participating sites, performs some analytical magic, and sends back a list of IPs that are attacking sites now but haven’t yet attacked that site. In other words, each site periodically gets a unique list of IPs to block preemptively.
The BNS doesn’t collect personal data, and bots don’t have rights.
That said, the BNS only collects the minimum data required (time, IP, event), and only for IPs that have behaved m…
Setup is easy, usage is flawless. I recommend for everyone who is serious about WP security.
WP fail2ban Blocklist – Superb WordPress plugin
Prevention is better than cure.
| WordPress | 4.9+ requiredTested up to 6.8.5 |
| PHP | 7.4+ required |
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.