Snort mailing list archives

Pass Rule not working?


From: Steve Lebeda <stevele () wyoming com>
Date: Wed, 24 Jul 2002 10:48:09 -0600

I've been getting alerts in ACID because of ICMP packets. The message is ICMP Destination Unreachable (Communication Administratively Prohibited) I know this particular issue has been addressed previously and I think I understand why it's happening. The servers on my Home Net are trying to ping to places that they aren't allowed to ping and the packets are being returned by an intermediary device. Trying to be clever, I wrote a pass rule in my local.rules file:

pass icmp any any -> *.*.*.* any (itype: 3; icode: 13)

I'm still getting errors.

What'd I do wrong?

Steve



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