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Date:      Mon, 25 Aug 2003 14:37:26 +1000 (EST)
From:      User Ernie <ernie@spooky.eis.net.au>
To:        Don Bowman <don@sandvine.com>
Cc:        freebsd-isp@freebsd.org
Subject:   Re: Blocking Virus ICMP flood
Message-ID:  <200308250437.h7P4bQYR066886@spooky.eis.net.au>
In-Reply-To: <FE045D4D9F7AED4CBFF1B3B813C8533702742497@mail.sandvine.com>

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> > From: User Ernie [mailto:ernie@spooky.eis.net.au]
> > 
> > Does anyone know if ipfw can do someting similar to:
> > 
> >  deny icmp any any echo tos min-delay
> > 
> > Which is the Cisco command I use to try and limit the flood 
> > style icmp traffic from the
> > recent Internet viruses.
> > 
> > - Ernie.
> 
> ipfw add deny icmp from any to any icmptypes 0,8  iptos lowdelay
> 
I tried that but it gives me the following error:

ipfw: unknown or out of order argument `iptos''


Does it depend on FreeBSD version? I am running 4.8-STABLE

- Ernie.



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