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How to Fix 504 Gateway Time-out in WHM (Port 2087/2083) – Complete Troubleshooting Guide
Introduction A 504 Gateway Time-out error in WHM (WebHost Manager) is a critical issue that prevents administrators from accessing server management functions. This problem typically occurs when WHM (running on ports 2087/2083) fails to receive a timely response from backend services such as Apache, PHP-FPM, or internal cPanel daemons.