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Date:      Sat, 22 Aug 2009 13:42:23 +0200
From:      Willem Jan Withagen <wjw@digiware.nl>
To:        Lars Eggert <lars.eggert@nokia.com>
Cc:        freebsd-ipfw@FreeBSD.org
Subject:   Re: bin/117214: ipfw(8) fwd with IPv6 treats input as IPv4
Message-ID:  <4A8FD99F.1050406@digiware.nl>
In-Reply-To: <200908220010.n7M0A419071352@freefall.freebsd.org>
References:  <200908220010.n7M0A419071352@freefall.freebsd.org>

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Lars Eggert wrote:
> The following reply was made to PR bin/117214; it has been noted by GNATS.
> 
> From: Lars Eggert <lars.eggert@nokia.com>
> To: bug-followup@FreeBSD.org, fabian@wenks.ch
> Cc:  
> Subject: Re: bin/117214: ipfw(8) fwd with IPv6 treats input as IPv4
> Date: Sat, 22 Aug 2009 02:27:44 +0300
> 
>  I still see this on 7.2-STABLE:
>  
>  [root@fit: ~] uname -a
>  FreeBSD fit.nokia.com 7.2-STABLE FreeBSD 7.2-STABLE #18: Fri Jun 26  
>  15:43:17 EEST 2009     root@fit.nokia.com:/usr/obj/usr/src/sys/FIT  i386
>  
>  [root@fit: ~] ipfw add 64010 fwd 2001:2060:40:1::1 ip6 from  
>  2001:2060:40:1::123,2001:2060:40:1::124 to not  
>  2001:0708:0040:fff2::1/64 out
>  64010 fwd 0.0.7.209,2060 ip6 from  
>  2001:2060:40:1::123,2001:2060:40:1::124 to not 2001:708:40:fff2::/64 out
>  
>  [root@fit: ~] ipfw show 64010
>  64010         0           0 fwd 0.0.7.209,2060 ip6 from  
>  2001:2060:40:1::123,2001:2060:40:1::124 to not 2001:708:40:fff2::/64 out

The trouble is with the :'s and the fact that parsing doen't really take 
care of multiple :'s.
What I considering is changing it in such a way that one is allowed to 
specify ipv6 adresses as [a:bc::d] just like it works in firefox (and 
other places)

Question then is do we use [a:bc::d]/48:53 or [a:bc::d/48]:53?

--WjW



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