Originally Posted by tjd
Appears to be nothing listening on 443? Apache directives in virtual hosts say "SSL engine on", but I can't see an SSL mod in the apache3 server config under /etc/httpd. Does the SSL system run off the ISPConfig apache server?
The main server logs into ISPConfig as https on port 81, no trouble.
This would suggest SSL is running.
Please do not mix up the main webserver and ispconfig webserver. These two servers are completely indepandant, so if SSL works on port 81 it does not even mean that ssl is installed for the other server. Please compare your apache setup with the setup described in the perfect setup guide for your linux distribution.