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From: M C Wong <mcw@hpato.aus.hp.com>
Subject: ipfw on 2.0
To: freebsd-questions@freefall.cdrom.com (freebsd-questions@freefall.cdrom.com)
Date: Mon, 29 May 95 21:59:23 EST
Mailer: Elm [revision: 70.85]
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Hi , just got the chance to ply around with 2.0 ipfw today :

freebsd: {163} ipfw addb deny all from 131.172.42.21/23 to `hostname`
ipfw: setsockopt failed.

Can anyone tell me what's wrong ? 

Thanks in advance.