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Date:      Fri, 10 May 2002 11:15:32 +0100
From:      Robert bobb Crosbie <>
To:        rick norman <>
Subject:   Re: ipfw and aliases
Message-ID:  <>
In-Reply-To: <>; from on Thu, May 09, 2002 at 07:14:06PM -0700
References:  <>

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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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