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Date:      Fri, 27 May 2005 12:03:42 -0700
From:      Luigi Rizzo <rizzo@icir.org>
To:        Max Laier <max@love2party.net>
Cc:        freebsd-ipfw@freebsd.org, Richard Tector <richardtector@thekeelecentre.com>
Subject:   Re: [PATCH] ipv4 only rules (test and feedback)
Message-ID:  <20050527120342.A4538@xorpc.icir.org>
In-Reply-To: <200505271932.51562.max@love2party.net>; from max@love2party.net on Fri, May 27, 2005 at 07:32:42PM %2B0200
References:  <200505251634.34478.max@love2party.net> <4295B14B.2010302@thekeelecentre.com> <200505271932.51562.max@love2party.net>

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remember that ipfw2 lets you pass only those options you need
so something like 

	ipfw add deny proto udp ipv4
should work


On Fri, May 27, 2005 at 07:32:42PM +0200, Max Laier wrote:
> On Thursday 26 May 2005 13:21, Richard Tector wrote:
> > Max Laier wrote:
> > >With the patch attached you can now do:
> > >
> > >  ipfw add 100 deny ipv4 from any to any
> > >or
> > >  ipfw add 100 deny ipv6 from any to any
> > >
> > >to block IPv4 or IPv6.
> >
> > How would you, for example, deny all udp traffic over ipv4 but not ipv6?
> > Is this possible with ipfw2 as it stands?
> 
>   ipfw add 100 deny ipv4 from any to any proto udp
> 
> should do the trick, but unfortunately this comes back as:
> 
>   100 deny udp from any to any
> 
> so I have to fix ipfw show for these cases.  Thanks for bringing this up.
> 
> -- 
> /"\  Best regards,                      | mlaier@freebsd.org
> \ /  Max Laier                          | ICQ #67774661
>  X   http://pf4freebsd.love2party.net/  | mlaier@EFnet
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