[Ham-Computers] Protocol question (ICMP)

[Dale Miller]

It's the protocol for a ping...basically

Regards
Dale Miller, KC2CBD

WA5CAB at cs.com wrote:

>Can someone please tell me what an ICMP protocol is, what it's used for and 
>what programs or type of programs might use it?  I'm getting both inbound and 
>outbound hits that NIS is blocking (or stopping and I have to hit the confirm 
>button).  Doesn't do any good to click the Always button as the IP addresses 
>keep changing.  The inbound ones are one matter but the outbound ones have me 
>wondering what's on my machine that wants out.  Neither NAV nor SpyKiller are 
>finding anything.
>
>Robert Downs - Houston
><http://www.wa5cab.com> (Web Store)
><wa5cab at cs.com> (Primary email)
><wa5cab at houston.rr.com> (Backup email)
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