The Layershift Logbook

Fail2Ban is still one of the simplest and most effective ways to cut out a huge amount of malicious noise before it ever reaches your applications, and in 2026 it slots neatly into Plesk as an extra hardening layer on top of your existing firewalls. Used properly, it lets you automatically block brute force attempts, exploit scans, and spammy traffic across SSH, Plesk panel, web, and mail services, while keeping genuine users flowing through.​