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

Yeah, I haven't had any problems with it, what apps have been an issue for you?

The app that I use the most during that transitional period would be Ultrasonic which would be streaming music from the Airsonic service as I get in my vehicle and drive away or arrive back home. But even that flawlessly transitions without skipping a beat since it is set to cache songs.

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

The app that comes to mind as having problems with changing IPs is the Home Assistant app. It would simply lose connectivity when the IP changed and never do another DNS lookup to connect again.. I always had to restart it. The "solution" for me was not to change IPs and just leave Wireguard on. It's cool that Ultrasonic handles it though.

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

Interesting, yeah, maybe report it as an issue on github, I use a browser link to my dashboard for Home Assistant instead of the app so it hasn't happened to me. I almost installed it the other day to get presence detection but decided on another way.

[–] witten@lemmy.world 2 points 1 year ago

Good idea!