Weird Characters in the deny log

[Cloud9]

Hmmm

How do i add a photo ?

The log shows the standard logs and then some of the characters sown a ? in a black diamond

Like a char set problem ?

[Cloud9]

Here is one

(CN/China/13/�r�mqi/-): 10 in the last 300 secs - Thu Feb 28 17:32:07 2013