INFO:502 Bad Gateway – Squid is not running.
This article applies to:
SWG: 11.x
· Description
In some scenarios Squid won’t start and in the GUI you may see a communication such as:
"This cache server is not active."
· Symptoms
You will see a 502 Bad Gateway error.
· Cause
It is a known bug in Squid that it does not accept some special chars like "_" or "-".
· Solution
Change the hostname to a name without special, reserved characters.
Notes:
Changes like this will cause certain processes to restart on the SWG and may interrupt scanning in a production environment.
It is recommended to do this during a maintenance window where it’s appropriate for the system to go down.