421 Misdirected requests after upgrading to ea-apache24-2.4.65

Incident Report for Liquid Web - Services

Identified

The recent update to ea-apache24-2.4.65 is once again causing HTTP 421 errors on servers running Nginx standalone (Engintron) or behind load balancers. We are downgrading the version to resolve the issue and have contacted cPanel for a permanent fix.
Please feel free to contact Liquidweb support if you experience any issues or if you need any assistance with downgrading the version.
Posted Aug 12, 2025 - 07:49 EDT
This incident affects: Cloud Dedicated, Cloud VPS Hosting, and CPanel.