- Plesk for Linux
Varnish cache server is used as a cache server for websites located on Plesk server.
Varnish is installed on a non-Plesk server.
Website's access log shows IP address of the Varnish server instead of the real IP address.
Varnish server is not configured properly.
Contact the system administrator to fix the issue on the Varnish server side.
The following link may be helpful: