The following reply was made to PR kern/117234; it has been
noted by GNATS.
From: "Joost Bekkers" <joost jodocus.org>
To: "Max Laier" <maxlove2party.net>,
bug-followupFreeBSD.org
Cc: john.w.courtnokia.com
Subject: Re: kern/117234: [ipfw] [patch] ipfw send_pkt() and
ipfw_tick()
don't seem to support IPV6
Date: Mon, 12 May 2008 08:40:04 +0200 (CEST)
Hello
I've just tried the patch in this PR and found it not to
work (yet).
The keep-alive packets that are sent for IPv6 have their
tcp port octets
in the wrong order. Eg. if a dynamic rule exists for a
connetion to port
4000 (0x0FA0), the keepalives are sent to 40975 (0xA00F)
I haven't looked into where this difference between ipv4
and ipv6
originates, but forcing the byte-swap in send_pkt() makes
everything work.
I'd post the change I made, but I'm fairly sertain it's The
Wrong Way (tm)
to fix this.
Greetings
Joost.
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