Dedicated Servers : Note on VPS with CPanel and upgrading CPanel

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This dedicated server discussion started by dball on 09 December 2005

I have a small VPS at another company in another state (michigan) for geographic diversity on DNS and to store way way offsite backups.

I ran into a weird problem when upgrading WHM/CPanel and I thought I’d share the info here in case any of you have users who are experiencing it.

Remember a while back when CPanel advised switching to Courier for retrieving mail because of the UWIMAP security problem? Well, after that upgrade, some things stopped working on the server.

CPanel uses stunnel to map some of the services through secure ports. It turns out that when my VPS did the upgrade, it didn’t update the config file for stunnel. Courier provides it’s own secure port so when stunnel tries to startup and can’t grab the port to listen on, it aborts and the ports later in the file don’t get mapped. IIRC, that includes the secure ports for WHM/CPanel and webmail.

I wanted to get the system back up quickly and there are several copies of the config file, but I narrowed it down to the following 2:

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