Fixed: Error 503 (Service Unavailable) when using TCP/IP (PHP-FPM)

Quote from i-MSCP Github (1.2.x)

Code

1. Fixed: Error 503 (Service Unavailable) when using TCP/IP (PHP-FPM)
2. [ci skip]

Source: https://github.com/i-MSCP/imsc…99a9f5b1048e6d1498a345863