[SunHELP] ping a port
Thomas Cameron
sunhelp at sunhelp.org
Fri Sep 21 23:54:32 CDT 2001
Thanks for the clarification. I wasn't sure what exactly to call the
ICMP connection other than "port," but I thought that wasn't quite right.
TC
Adam Kropelin wrote:
> AFAIK, there is no such thing as a port in ICMP. ICMP packets are
> demultiplexed by IP based on the value of the protocol field in the IP
> header. The network stack is what responds to a PING (really an ICMP
> echo request packet), not any particular application.
>
> --Adam
>
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