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Written by oldfart@lemm.ee on 2024-10-28 at 15:25

Running Steam and games securely

https://lemm.ee/post/45993313

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Written by Max on 2024-10-28 at 16:12

Since games don’t have to run with more than user privileges and steam runs in flatpak, you could run them as a different user account with very limited permissions.

That said, flatpak should be pretty secure as far as I’m aware if you make sure that permissions for the apps running are restricted appropriately. I’m not sure how restricted you can make steam and still have it work though

You can use offline mode for steam if you’re okay with steam having internet but not games. But there’s no way to use steam entirely offline. Internet access is a fundamental part of the system they have.

There’s also a question of what your threat model is. Like are you trying to prevent causal access of your files by games, or like a sophisticated attempt to compromise the system conveyed through a game. For the former flatpak seems sufficient. For the latter you probably need a dedicated machine. And there’s varying levels in between

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Toot

Written by oldfart@lemm.ee on 2024-10-28 at 18:22

I doubt the potentially malicious games will have code sophisticated enough to bypass a sandbox, just because majority of users don’t have a sandbox for them, and I’m not paranoid enough to fear targeted attacks. Other than that, the game shouldn’t have access to my home directory or network.

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