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Cisco Pix Outbound ACL

VickreyAdmin asked
Medium Priority
Last Modified: 2012-05-06
I am getting ready to implement an outbound access control list on our Cisco Pix 506e.  Our only real concern right now is blocking smtp traffic originating from any internal host other then a mail server.  I have added a few other explicit permits just to get some counts.

I need to allow SMTP traffic from the servers with ip addresses,

These are the commands I am planning to run to create the ACL and activate it.  Let me know if you see anything wrong or have a suggested improvement.

access-list outbound permit tcp any eq www
access-list outbound permit tcp any eq https
access-list outbound permit tcp any eq smtp
access-list outbound permit tcp any eq smtp
access-list outbound deny tcp any eq smtp
access-list outbound permit ip any any

access-group outbound in interface inside
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Top Expert 2009
That will do it.  The top two lines aren't necessary as the permit ip any any will allow it but I'm assuming these are the lines you want counter statistics from.

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Yes the top 2 lines are just for counters.  I will add more later.  Thanks for checking this for me.  My network runs 24/7 and I could not afford to make incorrect changes to the production firewall.
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