[ntp:questions] Is it possible to run ntpd server behind a firewall?

Hal Murray hal-usenet at ip-64-139-1-69.sjc.megapath.net
Sat Oct 20 17:40:58 UTC 2007

>The only "trick" around this, is to use a TCP-based VPN tunnel to a
>point outside the firewall, and forward your queries through this.
>However, a "solution" like this will add a VARIABLE latency on your
>packets, giving you (in reality) a worse clock than using the internal
>CMOS one.

A ntp setup using the tunneled clock may have worse short term stability
but it will have better long term stability.  Without some sort of
external reference a CMOS clock will just keep drifting farther
and farther away from the truth.	|

These are my opinions, not necessarily my employer's.  I hate spam.

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