How to block hacked TS client?

[admix]

Hello everyone, I've got this problem - I found hacked version of official TS2 client, which allows user to become invisible or flood TS2 server. It can be revealed by Client platform field in Client info dialogue - normally there is something like "Windows XP", this hacked version has "Gosu TS". Is there any way to filter these clients out of server before they connect?

P.S.: How the situation around TS3 looks? Everybody is really looking forward to it :)

Thanks for answers ;)

[BHKai]

Dude you are borderline getting this topic closed because of you asking about TS3. There are a lot topics explaining that it will be out when it comes and to stop asking.

Make sure that you client and server software is updated to block them.

[admix]

Ok, sorry about that.
Server and clients are up-to-date, but that hacked client is still avaible to "hack" ..

[Katana*GFR*]

Which versions do you run? Both server and client pls.