I have Pix 520 running 6.2(1) and am trying to implement some outbound filtering. Basically I want to deny any host on the inside interface the ability to do pop3 or smtp connections on the outside interface.
I have a mail server on a DMZ that they are supposed to use and it needs to be able to accept pop3 logins and do smtp processes. on both inside and outside.
My access list to deny pop3 and smtp from inside to outside is below, but it does not deny someone from the inside accessing a mail server on the outside. What am I missing?
access-list acl_mail deny tcp any any eq pop3
access-list acl_mail deny tcp any any eq smtp
access-list acl_mail permit ip any any
access-group acl_mail in interface inside