Restrict who can connect by IP ... ?

[Marc G. Fournier]

Is it possible to restrict a specific service (ie. imap) so that it can 
only be connected to from a specific IP?

For instance, imap from horde server while imaps is open to everywhere?

thx


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Marc G. Fournier           Hub.Org Networking Services (http://www.hub.org)
Email . scrappy at hub.org                              MSN . scrappy at hub.org
Yahoo . yscrappy               Skype: hub.org        ICQ . 7615664