[cod] COD2 GUID = 0 exploit

Steven Hartland killing at multiplay.co.uk
Tue Jan 3 13:30:39 EST 2006

Nope wasn't aware of that at all, just seems strange that it appears
to be all the people that need banning ( playing up etc ) that have it.

Possibly two issues?
    Steve / K
----- Original Message ----- 
From: <luke at techfreak.org>
To: <cod at icculus.org>
Sent: Tuesday, January 03, 2006 5:09 PM
Subject: Re: [cod] COD2 GUID = 0 exploit

> As I'm sure you are aware, there has also been a long-standing issue with
> the COD master servers occasionally returning players guid as zero.
> Sometimes it's all players, sometimes it's just amny of them (maybe they
> have several master servers?). Anyway, I'm sure you are aware of this.
> Maybe this is a new exploit.....
> The reason I am painfully aware of this is that we have a custom
> application that tracks users on our servers using guid. If we ban a
> player, the application grabs their IP and guid and bans them in a sql
> database. However, if there are players on the server with the same guid
> (0), then they all get banned.........
> Due to this issue, we have rewritten the application to use the player IP
> only if the guid is zero.

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