Blocking Virus ICMP flood
User Ernie
ernie at spooky.eis.net.au
Sun Aug 24 21:37:35 PDT 2003
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> > From: User Ernie [mailto:ernie at 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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