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Date:      Fri, 10 May 2002 11:15:32 +0100
From:      Robert bobb Crosbie <bobb+freebsd-ipfw@redbrick.dcu.ie>
To:        rick norman <rick.norman@lmco.com>
Cc:        freebsd-ipfw@freebsd.org
Subject:   Re: ipfw and aliases
Message-ID:  <20020510111532.A33197@flipflop.tchpc.tcd.ie>
In-Reply-To: <3CDB2CED.DCC3092F@lmco.com>; from rick.norman@lmco.com on Thu, May 09, 2002 at 07:14:06PM -0700
References:  <3CDB2CED.DCC3092F@lmco.com>

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rick norman hath declared on Thursday the 09 day of May 2002  :-:
> Is it possible to write a firewall rule for a router with one interface
> with multiple aliased ip
> addresses that will grab pkts based on the IP_alias they are routed in
> or out on, rather than the src or des address of the pkt.  It looks as
> tho the 'via' qualifier lumps all the aliases for an interface
> together.   I would like to grab pkts, not based on the src and des
> contained in the packet, but rather based on which IP_alias it is going
> to be sent out on.
 
You can use via with an IP address or interface.


- bobb


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