this post was submitted on 20 Jul 2023
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Are you exposing any ports on your home server? (lemmy.world)
submitted 1 year ago by fhein@lemmy.world to c/selfhosted@lemmy.world
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Maybe I'm using the wrong terms, but what I'm wondering is if people are running services at home that they've made accessible from the internet. I.e. not open to the public, only so that they can use their own services from anywhere.

I'm paranoid a f when it comes to our home server, and even as a fairly experienced Linux user and programmer I don't trust myself when it comes to computer security. However, it would be very convenient if my wife and I could access our self-hosted services when away from home. Or perhaps even make an album public and share a link with a few friends (e.g. Nextcloud, but I haven't set that up yet).

Currently all our services run in docker containers, with separate user accounts, but I wouldn't trust that to be 100% safe. Is there some kind of idiot proof way to expose one of the services to the internet without risking the integrity of the whole server in case it somehow gets compromised?

How are the rest of you reasoning about security? Renting a VPS for anything exposed? Using some kind of VPN to connect your phones to home network? Would you trust something like Nextcloud over HTTPS to never get hacked?

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[–] Manifish_Destiny@lemmy.world 1 points 1 year ago (1 children)

I'm not missing any point. It should be clear to people who don't understand security that running a protocol on a different port doesn't mean shit for safety. "Because it doesn't get as much attention" wouldn't mean anything to any enterprise firewall the moment it's not an http header.

[–] somedaysoon@lemmy.world 0 points 1 year ago* (last edited 1 year ago)

You are talking about security when that is not the purpose of it. So yes, you are off on a tangent and missing the point of it.

It should be clear to people who don’t understand security that running a protocol on a different port doesn’t mean shit for safety.

It is clear, it's clear to everyone, so why did you randomly interject irrelevant information? Because you incorrectly assumed someone thought it had to do with security... but no one here thought it had anything to do with security. Everyone understood it but for you, and you were corrected not only by me but the other person.

Because it doesn’t get as much attention” wouldn’t mean anything to any enterprise firewall the moment it’s not an http header.

As I've said, I've used it a few times to escape firewalls... it works. Will it always work? No, I never made the claim this will bypass all firewalls... the strictest of firewalls will block it, but there are other ways around those firewalls. E.g. proxytunnel, stunnel4