(PM) filtering ICMP (fwd)

MegaZone (megazone@livingston.com)
Tue, 18 Nov 1997 18:20:02 -0800 (PST)

Once upon a time Jorg B. shaped the electrons to say...
>I'm thinking of blocking ICMP (ping) requests, in my router, from the
>internet...
>What port should I block ? I did some research but didn't find what I was
>looking for.

ICMP isn't a port, it is a protocol. If you want to block all ICMP, just

'deny icmp'

If you want to deny particular types of ICMP packets, please see the manual
for details.

-MZ

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