this post was submitted on 24 Mar 2025
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I've been running my server without a firewall for quite some time now, I have a piped instance and snikket running on it. I've been meaning to get UFW on it but I've been too lazy to do so. Is it a necessary thing that I need to have or it's a huge security vulnerability? I can only SSH my server from only my local network and must use a VPN if I wanna SSH in outside so I'd say my server's pretty secure but not the furthest I could take it. Opinions please?

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[–] elvith@feddit.org 1 points 1 week ago (1 children)

If done correctly, those may only be open from the internet, but not from the local network. While SSH may only be available from your local network - or maybe only by the fixed IP of your PC. Other services may only be reachable, when coming from the correct VLAN (assuming you did segment your home network). Maybe your server can only access the internet, but not to the home network, so that an attacker has a harder time spreading into your home network (note: that's only really meaningful, if it's not a software firewall on that same server...)

[–] null_dot@lemmy.dbzer0.com -5 points 1 week ago

Sure mate, keep trotting out the dumb swiss cheese analogy. Fine by me.