[ntp:questions] Re: firewall setting question
Steve Kostecke
kostecke at ntp.isc.org
Fri Dec 2 15:10:20 UTC 2005
On 2005-12-02, calendarw <calendarw at gmail.com> wrote:
> I have installed a windows version of ntp server which named
> ntp-4.2.0-nt, and I cannot use #ntpdate stdtime.gov.hk to get time
> from time server. But it can use a #ntpdate -u stdtime.gov.hk get the
> time sometime.
The '-u' option causes ntpdate to use an unprivileged port (i.e >1024)
instead of the NTP port (123).
You need to have port 123/UDP opened in all firewalls between your ntpd
and the remote time servers.
--
Steve Kostecke <kostecke at ntp.isc.org>
NTP Public Services Project - http://ntp.isc.org/
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