Open Source application GPL legality

John Cowan cowan at
Wed Oct 14 19:31:29 UTC 2009

Björn Terelius scripsit:

> If I understand you correctly, you want to release your game as open  
> source, but are at the same time worried that people will use your  
> code to develop cheats. Unfortunately, there is no simple way around  
> this problem; if you release how the client is supposed to work and  
> interact with the server, then anyone can create modified client that  
> gives the user an unfair advantage.

At this point, everyone still concerned with this problem, and
*especially* shd, should go and read Eric Raymond's "The Case of the
Quake Cheats" at .
It's all there: the problem, the various solutions, the refutations of
those solutions, etc.  No real need to rehash it here.

Knowledge studies others / Wisdom is self-known;      John Cowan
Muscle masters brothers / Self-mastery is bone;       cowan at
Content need never borrow / Ambition wanders blind;
Vitality cleaves to the marrow / Leaving death behind.    --Tao 33 (Bynner)

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