this post was submitted on 21 May 2026
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Is it applicable to Proton in some way? I'm guilty of using less popular and thus less veried cracked software with it so I'd like some level of protection. Can I separately write it in some config file?
Proton is just Wine with some modifications. You can use the same sandboxing methods you would use with Wine.
Firejail runs apps in a sandbox.
And you can make a separate non-root desktop profile to run it in so even if it somehow escapes containment it can't run sudo commands or steal your main login's data.