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Date:      Fri, 17 Jan 1997 12:42:25 +1100 (EDT)
From:      Darren Reed <avalon@coombs.anu.edu.au>
To:        brian@awfulhak.demon.co.uk (Brian Somers)
Cc:        proff@suburbia.net, phk@freebsd.org, hackers@freebsd.org
Subject:   Re: ipfw patches to test
Message-ID:  <199701170143.RAA01789@freefall.freebsd.org>
In-Reply-To: <199701162209.WAA01624@awfulhak.demon.co.uk> from "Brian Somers" at Jan 16, 97 10:09:08 pm

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In some mail from Brian Somers, sie said:
> 
> > > 
> > > Well, I needed this badly, so I looked at it, if somebody wants to
> > > try out this little patch, please report how it goes.
> > > 
> > > Basically you can now say
> > > 
> > > 	ipfw add deny !from 192.168.23.0/30 to 140.145.230.0/24
> > > 
> > > or "!to" for that matter.  Give it a whirl...
> > > 
> > > Poul-Henning
> > 
> > This is a good addition. When I was playing with the code I was
> > quite puzzeled about the lack of this negative logic.
> 
> What's the difference between the above and
> 
> ipfw add allow from 192.168.23.0/30 to 140.145.230.0/24
> ipfw add deny from any to 140.145.230.0/24

Logically, none.

>From the technical side, more memory, longer list, etc.

Darren



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