[PLUG] ntp, ntpd, ntpdate, ntpd-debian

[Carlos Konstanski]

On Fri, 27 Nov 2009, Denis Heidtmann wrote:

> Date: Fri, 27 Nov 2009 20:37:30 -0800
> From: Denis Heidtmann <denis.heidtmann at gmail.com>
> Reply-To: "General Linux/UNIX discussion and help;	civil and on-topic"
>     <plug at lists.pdxlinux.org>
> To: "General Linux/UNIX discussion and help,	civil and on-topic"
>     <plug at lists.pdxlinux.org>
> Subject: Re: [PLUG] ntp, ntpd, ntpdate, ntpd-debian
> 
> On Fri, Nov 27, 2009 at 7:45 PM, Mike Connors <mconnors1 at gmail.com> wrote:
>> Denis Heidtmann wrote:
>>> Immediately running it with just -b fails!
>>>
>>> parents at R2D4:~$ sudo ntpdate -b 0.us.pool.ntp.org
>>> 27 Nov 19:23:05 ntpdate[26093]: no server suitable for synchronization found
>>> parents at R2D4:~$
>>>
>>>  -d and -v  are debug and verbose.  Why would that work?
>> Hmm, I think there is firewall somewhere blocking udp 123.  There's also
>> a -u option to use an unprivileged port for outgoing packets.
>> Apparently, when you invoke debugging mode ntpdate always uses an
>> unprivileged port.
>
> That is it.  Thanks so much for the help.  Now I want to find out
> where the firewall is.  It could only be my dsl modem or my isp.

The firewall is in your house, unless you're stealing internet from
your neighbor. The DSL router is the most likely location by far.

Carlos