ipf rules question
norgaard at locolomo.org
Tue Jul 28 14:33:12 UTC 2009
Jay Hall wrote:
> And, following is the output from ipfstat showing the relevant rule(s).
> @140 block in quick proto tcp from 220.127.116.11/8 to any port = smtp
> If I am looking at everything correctly all traffic coming into the
> system from the 18.104.22.168/8 network to port 25 on the mail server
> should be blocked.
> What am I missing?
I can't tell you what you're missing, but we're missing the entire
story. Just because you have a block rule doesn't mean that things will
get blocked if you have a pass rule before. You need to post the entire
ruleset if you want help with that.
Evidently, things get passed by some other rule, you can get a clue by
adding the log action to all rules passing packets to port 25 or any port.
When adding new rules it is a good idea to add log statements so you can
debug. Once things work, remove them to reduce the noise.
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