Bard wrote:
> Hi,
>
> In a nut shell what dose ICMP do?
>
> Thanks BaRT
If you look in /etc/protocols,
icmp 1 ICMP # internet control message protocol
A good place to look at ICMP information is in /usr/include/linux/icmp.h
on a Linux machine, or search your local RFC archive. One of the best
known ICMP packets is the echo-request packet, which is sometimes known
as a 'ping packet'.
However I suspect that's not what you really want to know. You probably
want to know what the squid ICMP option is for, in which case you should
have asked that. It uses ICMP messages to help it in the peer selection
by measuring hop count or round-trip-time or similar. If you run a simple
setup then you don't need it. And if you run a more complex setup, then
you should already know what ICMP itself is!
David.
Received on Mon Aug 24 1998 - 20:13:27 MDT
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