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> Closing the public access doesn’t make PaX/Grsecurity a non-free/libre software. Those who purchase subscriptions can access the source code. We don’t see GPL

> Closing the public access doesn’t make PaX/Grsecurity a non-free/libre software. Those who purchase subscriptions can access the source code. We don’t see GPL violated in any way here. I'm not an expert in software licenses, but this seems wrong. Can you really have "free" GPL software that requires a subscription fee?

CJefferson 9y ago
Yes, but once you've given a copy to a subscriber, you can't stop them giving that copy away to anyone else.
- justincormack 9y ago
  They will refuse to sell you it again if you do, and given that for security patches you need updates this is fairly effective. They will also refuse to sell to anyone who distributes their kernels, and thus would be obliged to redistribute source, you can only buy it for on premise use. So yes, it falls within the letter of the GPL, and it could in theory be distributed, but it is not in practise.
  - ajdlinux 9y ago
    How exactly do they enforce this? Do they have any measures to stop a subscriber from posting their patches anonymously?
    - michaelt 9y ago
      Even if they don't have any precautions at the moment, if that happens they could introduce them.
AlphaWeaver 9y ago
If the agreement does not prohibit redistribution of the source code once you have it, it can still be considered GPL.
kebolio 9y ago
You can sell GPL software under all the terms of the GPL, but the users can redistribute it under freedom 0, 2 and 3. You can mitigate this by being a single source of development and offering support.