[ntp:questions] "ntpd sendto invalid argument" with weird IPs
mayer at ntp.isc.org
Tue Nov 29 04:09:13 UTC 2005
fortepianissimo at gmail.com wrote:
> I've noticed this ntpd error messages in my log (Fedora Core 3):
> Nov 17 01:28:14 hostname ntpd: sendto(18.104.22.168): Invalid
>>From this post I learned the errors came from a limitation of the
> current implementation of ntpd:
> and indeed around Nov 17 that time I restarted my network interface
Work is underway to fix this.
> But my question is: in these error messages I always saw these 3 IPs
> being reported:
> and a lookup scared me:
> 22.214.171.124.in-addr.arpa domain name pointer
> 126.96.36.199.in-addr.arpa domain name pointer vdben.xs4all.nl.
> 188.8.131.52.in-addr.arpa is an alias for
> 29.tallence.47.238.213.in-addr.arpa domain name pointer
> None of these look like time servers, and some of them even host weird
> I looked at my /etc directory and couldn't find these IP mentioned
> Am I hacked? And how is it related to ntpd?
> Thanks a LOT in advance!
There is no way to answer this without seeing the actual messages. What
is are these addresses related to? What version of ntpd are you running?
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