kern/170604: [ipfw] ipv6 reass broken

Eugene Grosbein egrosbein at
Wed Mar 20 06:50:01 UTC 2013

The following reply was made to PR kern/170604; it has been noted by GNATS.

From: Eugene Grosbein <egrosbein at>
To: bug-followup at FreeBSD.ORG
Subject: Re: kern/170604: [ipfw] ipv6 reass broken
Date: Wed, 20 Mar 2013 13:45:15 +0700

 20.03.2013 12:51, Eugene Grosbein ÐÉÛÅÔ:
 > Hi!
 > The problem is here in 8.3-STABLE too, the following rule drops all incoming IPv6 packets
 > (but reassembles and passes IPv4):
 > ipfw add reass ip from any to any in recv em0
 Btw, obvious workaround is to replace 'ip' with 'ip4', so that the rule
 does not match IPv6 packets and does not block them.

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