Re: Blocking Virus ICMP flood

From: User Ernie (ernie_at_spooky.eis.net.au)
Date: 08/25/03

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    To: Don Bowman <don@sandvine.com>
Date: Mon, 25 Aug 2003 14:37:26 +1000 (EST)

    [ Charset ISO-8859-1 unsupported, converting... ]
    > > 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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