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Date:      26 Nov 2005 10:18:41 -0500
From:      Lowell Gilbert <freebsd-questions-local@be-well.ilk.org>
To:        Mark Edwards <mark@antsclimbtree.com>
Cc:        questions@FreeBSD.ORG
Subject:   Re: verrevpath -- ipfw: unknown argument ``not''
Message-ID:  <44sltjphda.fsf@be-well.ilk.org>
In-Reply-To: <536B393F-0E66-4B10-89A7-E0D4D82C87D7@antsclimbtree.com>
References:  <536B393F-0E66-4B10-89A7-E0D4D82C87D7@antsclimbtree.com>

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Mark Edwards <mark@antsclimbtree.com> writes:

> I am trying to implement the verrevpath suggestion in the ipfw man
> page, as follows:
> 
> >      The verrevpath option could be used to do automated anti-
> > spoofing by
> >      adding the following to the top of a ruleset:
> >
> >            ipfw add deny ip from any to any not verrevpath in
> 
> However, when I try to add the rule, I get an error:
> 
> > lilbuddy:~ paimin$ ipfw add deny ip from any to any not verrevpath in
> > ipfw: unknown argument ``not''
> 
> Can someone tell what is causing this syntax to fail?  Thanks!

Works fine for me right now on -STABLE (RELENG_6).
You didn't mention what you were running, so there's not much else we
can tell you.



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