Seems about right, just the first one give you more granularity if you want to protect a specific SMTP host. I think it comes important when you have to match on both IP and protocol since you are limited in multiple matching statements for ASA MPF non-default classes to something plus tunnel-group if I am not mistaken.

A.

On 6/10/2012 7:44 AM, Eugene Pefti wrote:

If I were to inspect non-standard SMTP on port 2525 on ASA will these two achieve the same results?

access-list SMTP-2525-ACL extended permit tcp any host XXX.XXX.XXX.XXX eq 2525

class-map SMTP-2525-CM

match access-list SMTP-2525-ACL

class-map SMTP-2525-CM

  match port tcp eq 2525

Eugene



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