Network config control by cron

Rick Stevens rstevens at vitalstream.com
Fri Jul 2 19:08:51 UTC 2004


Rick Stevens wrote:

[big snip]
> Note that ping (more properly called "ICMP echo"--"ping" is the name
> of the program itself) uses the ICMP protocol (separate from TCP or UDP)
> and ICMP doesn't use ports.

I should have said:

	--"ping" is the name of the _client_ program itself)

The server end of "ping" is usually built into the protocol stack
itself or in the superserver (xinetd in newer Linux implementations).
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- Rick Stevens, Senior Systems Engineer     rstevens at vitalstream.com -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
-     If you can't beat your computer at chess...try kickboxing!     -
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