Basic question about Cyrus replication

[Shuvam Misra]

> >When I set up a master and a replica server, does the replica server
> >listen on the IMAP port too, and can it handle IMAP queries while it is
> >receiving sync logs for rolling replication?
> 
> No, the replica only listens on the sync server port.  The replica
> should not listen on the IMAP port and should not accept client
> queries.

Thanks. Clarified my most basic question.

How do I prevent the replica server from listening on the imap port? Do
I do this by not running imapd (from cyrus.conf)? If yes, then I guess
the same needs to be done for POP3 and NNTP too, right?

Shuvam