[mdlug] Strange Log Entry

[Aaron Kulkis]

A. Zimmer wrote:
> On Thu, 11 Apr 2013 22:14:14 -0400
> Mat Enders <mat.enders at gmail.com> wrote:
>
>> Is said machine a Windows boxen.
>>
>
> Yes, the other machine runs a Windows system.
>
> But the Windows machine currently connects with the router through dhcp and its
> address always is different from 192.168.0.4.  The address 192.168.0.4
> has not been used by that machine for a long time (at least a year) and I have
> only been seeing that strange log entry for less than a month.
>
> I have not seen the log entry for a few days but, after just checking, I got
> one again today:
>
> kernel: UDP: bad checksum. From 196.21.79.50:53 to 192.168.0.4:14172 ulen 279
>
> In this case, everything is the same except for the receiving port 14172.
>

Sounds like the other machine is sending bad packets.