Steam Deck (or Linux) - Blocking a Game's Network Access (lemmy.ca)

submitted 10 months ago by [email protected] to c/[email protected]

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Is there a relatively simple way to block network access to a program? Avoiding the command line ideally.

Heroic Launcher has a "run game offline" toggle for games that are installed/added through it, but I am trying to cut out the middle man and install non-steam games directly through Steam.

Steam launch commands? Any built in firewall?

Thanks in advance!

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[-] [email protected] 3 points 10 months ago

Haven't tried it on Deck, but iptables can do a per-uid based rule which I've used in the past

I.E. login+run restricted games under a particular login, OR sudo to that user for running but allow X-forwarding+PulseAudio to my current login

[-] [email protected] 3 points 10 months ago

OpenSnitch is a solid option, but I don’t find it that reliable to install on Arch. Instead I’d suggest looking at Safing’s Portmaster.

[-] [email protected] 1 points 10 months ago

Appreciate it, thank you!

[-] [email protected] 1 points 10 months ago

I don't know if it works as I think it does, but you can try relaunching steam in offline mode

this post was submitted on 01 Sep 2023

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