I have been trying, without any luck, to create some packet filter rules to reduce the logging in the packet filter log.
If I create a rule similar to:
ANY -> Microsoft-SMB -> Reject -> ANY -> (Logging On)
this works fine on all traffic between the 4 NICs on the ASL box but, alas, it does not capture any SMB packets from any external (internet) IP address.
I set the action to Reject so I can ensure the ASL box is seeing these ports. When I see that ASL is capturing these ports in the log I change the settings to Reject and turn off logging.
As all will know, ASL blocks these kind of ports/services by default but unfortunately they all turn up in the packet filter log and do the spam thing.
My question is, what part of “ANY” does ASL not understand? Why is the packet filter rule only seeing traffic across the ASL NICs?
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