ICMP Filters

Joel Snider (joel_snideryahoo.com)
Thu, 28 Oct 1999 05:53:34 -0700 (PDT)

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I am looking for the types of ICMP to filter in order
to eliminate ping and traceroute from the Internet. I
want to continue to ping and traceroute outbound. I
have read several of the archives and seen several
messages about filtered ICMP causing path MTU to not
function. I have several web servers and mail servers
behind the filter router. I don't want to cause any
problems with the performance of these services. Also,
by filtering these will I eliminate PingFlood attacks?

Thanks...

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• Next message: Ogrodnek, Larry: "firewall management"
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• Reply: Hod Greeley: "Re: ICMP Filters"

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