xntpd sendto (possible hack?)

[Lovell Mcilwain]

Paul Howarth wrote:

> Lovell Mcilwain wrote:
>
>>
>>
>> Paul Howarth wrote:
>>
>>> 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.
>>>
>> I did check my preferences for my time server and found that I didn't 
>> have a time server specified even though I had ntp enabled.  I guess 
>> my other question is, if I don't manually specify one, does it choose 
>> from any of the other ones as a default?  I noticed in my ntp.conf 
>> file there a bunch of time servers listed.  But does it restrict 
>> itself to the # --- OUR TIMESERVERS ----- section?
>
>
> What's the output of:
> $ grep '^[^#]*server' /etc/ntp.conf
>
> Paul.
>
The command was not recognized.
root at localhost etc]# $ grep '^[^#]*server' /etc/ntp.conf
-bash: $: command not found
[root at localhost etc]#