this post was submitted on 05 Feb 2024
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Helldivers 2 will use a rootkit anti-cheat, nProtect GameGuard (lemmy.world)
submitted 9 months ago by sp6@lemmy.world to c/linux_gaming@lemmy.world
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50/50 chance this breaks Deck and linux support, especially since the commenters' inquiries about it have gone unanswered.

Bogles my mind why a PvE game needs an anti-cheat at all - let alone something as invasive as a rootkit.

Source is the dev's post on, unfortunately, reddit: https://www.reddit.com/r/Helldivers/comments/19dp2qw/helldivers_2_nprotect_gameguard_anticheat/

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[–] domi@lemmy.secnd.me 11 points 9 months ago (1 children)

Just as a side note, if you play on Linux there's currently no anti cheat that runs in the kernel.

It's all in user space and only has your user permissions.

[–] megaman@discuss.tchncs.de 2 points 8 months ago (1 children)

Do you have any sources that go into this? Nothing comes up in my cursory searching...

I may finally get around to switching the main machine if this is the case

[–] domi@lemmy.secnd.me 2 points 8 months ago

Unfortunately not since Valve is (understandably) keeping pretty quiet about how they implemented anti-cheat.

However, due to Wine/Proton always running as the current user, it is impossible for it to run anything in kernel space outside of the user-accessible part of the kernel API. Meaning it cannot install kernel modules, access memory of foreign processes or read anything your user does not have access to. It can't even get a full process list if the process does not want to be listed by users.

If you use Wine/Proton inside of Flatpak it cannot even read most of what your user has access to or any processes outside of the current Flatpak sandbox. So your Steam flatpak has no idea that you are running the Firefox flatpak on the same system with the same user.