[ntp:questions] client behind NAT (low-port bug)

Rob nomail at example.com
Mon Apr 16 14:52:34 UTC 2012


Jason Lixfeld <jason-ntp at lixfeld.ca> wrote:
> To circle back around, the main issue here is that the NAT box ahead of my internal NTP server changes the source port of the output NTP request to some low port < 123, which ntpd seems to reject.  Modifying the configuration on my NAT box may be an option as well.  I'm just trying to see where all my bases lie.

I think it is not a good idea to use low-numbered ports as a dynamic port
in a NAT box.  This may cause other complications as well.



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