[pkg-ntp-maintainers] Bug#513620: Bug#513620: ntp: Please check for a loopback interface

[Kurt Roeckx]

On Sat, Jan 31, 2009 at 04:15:48PM -0600, Vince Mulhollon wrote:
> On Sat, Jan 31, 2009 at 07:46:58PM +0100, Kurt Roeckx wrote:
> > How do you expect "ntpq" to connect to localhost when you didn't
> > configure it?  Note that the manpage clearly states that
> > localhost is the default.
> 
> OK maybe my bug report was not so well written.  Sorry about that.
> 
> If ntpd can not be contacted by ntpq, perhaps because of "/etc/init.d/ntp 
> stop" then you get the following error from ntpq when it can not reach 
> ntpd:
> ntpq: read: Connection refused

Here you have a route to localhost, and it replies that it
can't connect.

> 
> I am familiar with that error message.
> 
> On the other hand, if ntpd is up and running perfectly, but interface lo is 
> down, such as "ifdown lo", then you get the following error from ntpq when
> it can not reach ntpd:
> localhost: timed out, nothing received
> ***Request timed out.

I'm guessing here you don't have a route to localhost, it gets send
to your default gateway, and nothing replies.


Kurt