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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 6 points 1 year ago (2 children)

https, wireguard and mumble.

Just set up shodan monitoring, use burpsuite or owasp zap, and check your pcap files for accidental plaintext.

Also ssllabs has a nice website checker.

And get a NGFW

[–] ZenArtist@kbin.social 4 points 1 year ago (1 children)

Everything except https and wireguard went above my head. Do you have some sort of guide/writeup that you can point to for integrating all this?

[–] Awwab@kbin.social 3 points 1 year ago

Shodan is a internet scanning website, it can monitor your IP for new ports open and some basic vulnerability stuff.

Burpsuite is a tool to capture network traffic, they are saying they use it to confirm all their services use end to end encryption for communication.

NGFW is next gen firewall and it's just a firewall that's able to do more than your basic in/out rules.

[–] pornhubfan@sh.itjust.works 4 points 1 year ago

If you're gonna post that here, at least flag the post as NGFW.