xntpd sendto (possible hack?)

[Paul Howarth]

Lovell Mcilwain wrote:
> Hello all,
> 
> I just installed a logwatch on my machine and ran it for the first time 
> just a few minutes ago.  It showed me something very interesting and it 
> was the only thing in the logwatch log.  Just a bunch of the same 
> entries.  The IP address varied but most of them looked like invalid 
> arguments except for about 3 of them that didn't.  See below:
> 
> --------------------- XNTPD Begin ------------------------
> **Unmatched Entries**
> .....
> sendto(80.190.233.67): Invalid argument
> synchronized to 80.190.233.67, stratum 2
> synchronized to 80.33.117.152, stratum 3
> sendto(80.190.233.67): Invalid argument
> .....
> ---------------------- XNTPD End -----------------------
> 
> Does anyone know what this means or can this possibly mean that my 
> system has been hacked?

These entries mean that some of the ntp servers you're using (probably 
results returned from lookups of pool.ntp.org) aren't responding 
reliably. This is not unusual and may be a result of issues with your 
own network link.

Paul.