[ntp:questions] ntpdate not syncing - ntptrace shows offset

Steve Kostecke kostecke at ntp.isc.org
Wed Feb 2 17:41:50 UTC 2005

On 2005-02-02, Terry <td3201 at gmail.com> wrote:

> On Wed, 2 Feb 2005 17:34:19 +0100, Brad Knowles
><brad at stop.mail-abuse.org> wrote:
>>Looks like it might be a firewall problem.
> That was my problem. However, I have opened UDP/123 both directions.
> ntpdate -u works

-u tells ntpdate to use an unprivileged source port.

> ntpdate does not

This usually means that UDP/123 is not open between that client and

Steve Kostecke <kostecke at ntp.isc.org>
NTP Public Services Project - http://ntp.isc.org/

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