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LAN party network security (midwest.social)

submitted 3 months ago by pelotron@midwest.social to c/linux_gaming@lemmy.ml

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Hey all. I'm heading to Quakecon 2024 tomorrow and will be repping the penguin. I've got all my games set up and ready, but was now wondering, are there any extra steps I should take as far as network security goes?

I'm sure I'm not as vulnerable to random badness as the flock of Windows machines that will be on the network, but you never know. The only thing on my list so far is to disable sshd. I thought about installing Portmaster but it has always messed up my DNS in the past...

I'll probably run Wireshark just to see if I can capture anything interesting there. Do you all have any other suggestions for prepping my PC?

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[–] gaylord_fartmaster@lemmy.world 19 points 3 months ago (1 children)

I'd just install UFW and either set the default for incoming and outgoing to deny and unblock the game ports manually, or just set incoming to deny and outgoing to allow.

You could pair that with OpenSnitch to see all attempted incoming and outgoing connections and block them by default, and then just allow the ones you want as they happen.

[–] pelotron@midwest.social 5 points 3 months ago

Thank you for these suggestions! I've been looking for something like Opensnitch for a long time.