[cod] Help with error on start

[Christopher Kunz]

Urko wrote:

> \challenge\aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
> aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa

A malicious user sent a crafted UDP request containing an illegal 
challenge string. This crashes your server. I think this has been fixed 
a LONG time ago, since the error is pretty generic to the MOH:AA and COD 
server engines.

--ck