ntpd as broadcastclient - not working?
WD at US-Webmasters.com
Sun Aug 29 21:54:21 PDT 2004
At 06:04 8/29/2004, Matthew Seaman wrote:
>Re ntpd as broadcastclient - n1.ems<file://D:\Programs\Eudora\attach\Re ntpd as broadcastclient - n1.ems <0880.0002>>
>Content-Type: text/plain; charset=us-ascii
>On Fri, Aug 27, 2004 at 02:07:16AM -0500, W. D. wrote:
>> Hi folks,
>> I have Tardis (Windows) running on my network broadcasting NTP
>> time signals (right now every 4 seconds), but the
>> FreeBSD machine is running 5 seconds faster than
>> all the other computers.
>> Here are the lines that I added to /etc/rc.conf:
>> xntpd_flags="-A -c /etc/ntp.conf -p /var/run/ntpd.pid -l /var/log/ntpd.log"
>> (Both 'top' and 'ps -aux' show ntpd running after I rebooted.
>> Here are the lines that I added to /etc/ntp.conf:
>> driftfile /etc/ntp.drift
>> Does anyone have some ideas why it isn't synching up?
>Don't you need to use ntp.keys in order to synch to a broadcast or
> This command enables reception of broadcast server messages to
> any local interface (type b) address. Upon receiving a message
> for the first time, the broadcast client measures the nominal
> server propagation delay using a brief client/server exchange
> with the server, then enters the broadcast client mode, in which
> it synchronizes to succeeding broadcast messages. Note that, in
> order to avoid accidental or malicious disruption in this mode,
> both the server and client should operate using symmetric-key or
> public-key authentication as described in Authentication Options.
Thanks Matthew for your reply.
My 'man ntpd' page gives the -A option to turn off authentication:
-A Disable authentication mode
As far as I can tell, there is no way to enable authentication
using Tardis. I was hoping that there would be a simple solution
utilizing Tardis, since it works great on Windows.
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