RE: Blocking Virus ICMP flood
From: Don Bowman (don_at_sandvine.com)
Date: 08/24/03
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To: 'User Ernie' <ernie@spooky.eis.net.au>, freebsd-isp@freebsd.org Date: Sun, 24 Aug 2003 10:57:07 -0400
> 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
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