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LAN party network security (midwest.social)

submitted 1 month ago by [email protected] to c/[email protected]

15 comments fedilink hide all child comments

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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[–] [email protected] 16 points 1 month ago* (last edited 1 month ago) (1 children)

Checking the basics.. You got a firewall right? It's on? Ports closed?

Are you going to leave your pc unattended? At all?

[–] [email protected] 6 points 1 month ago (3 children)

Negative - that's why I was thinking of giving Portmaster another go but am open to any solution like that.

Yes the PC will be unattended for many hours at a time.

[–] gaylord_fartmaster 18 points 1 month 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.

[–] [email protected] 5 points 1 month ago

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

[–] [email protected] 5 points 1 month ago

Unattended? I'd use a bios password and disk encryption

[–] [email protected] 1 points 1 month ago

You might find it helpful to look up "Evil Maid Attack" as you will be susceptible to that.