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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Tips for a secure LAN with cellular connection? (lemmygrad.ml)

submitted 1 week ago by Xiisadaddy@lemmygrad.ml to c/linux@lemmy.ml

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So i am moving soon, and will be setting up a new LAN. A bit of an unorthodox one. Internet in the city im going to school in is pretty expensive so I've got an old thinkpad running OPNsense and will use that as my router and just tether my phone to it to provide cellular WAN. Both my PC and Laptop use Linux, Mint on PC, Debian on Laptop. I'm wondering what steps i should be taking security-wise on a setup like this? All my traffic will be going over the open air, and i know highjacking cellular connections is something thats done. Other than just using a VPN all the time which im doing are there any other steps i should take, maybe in my computer, or router firewall, that could help prevent MITM attacks? I'm not super familiar with how router level firewall especially works. Is much tweaking even required?

technically OPNsense is FreeBSD based not Linux but hopefully people still know a bit about it

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[–] Max_P@lemmy.max-p.me 2 points 1 week ago (1 children)

I would distrust my carrier well before I distrust the encryption. Even when roaming, your Internet is tunnelled through your carrier using an internal VPN. It even works in China, that's a fairly common way to get around their firewall.

[–] Xiisadaddy@lemmygrad.ml 2 points 1 week ago

Huh? Distrust the encryption? I never said i didnt trust my encryption. Im confused lol. Im looking to make sure my local network is secure. The VPN i have is fine for security on the internet.

I had asked Chat GPT about it and got some suggestions for my firewall settings, and about making sure the router management interface is not accessible remotely etc.