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A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.

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Should I be concerned with exposing my server to the public? (lemmy.world)

submitted 1 year ago by [email protected] to c/[email protected]

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Hey all! For the longest time I've had a server that hosts some things (eg Syncthing), but is only available via SSH tunneling.

I've been thinking of self-hosting more things like Nextcloud and Vaultwarden. I can keep my SSH tunneling setup but it might make it difficult to do SSL.

How do you manage the security of having public-facing servers?

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[–] [email protected] 4 points 1 year ago* (last edited 1 year ago)

You should be concerned, because there is always a risk, but there is also a risk when you are just using internet even without selfhosting. It is good to remember some rules:

Keep apps up to date
Open only that ports, that you need (80, 443, maybe 22 for ssh)
If you open ssh port, use keys authentication and cut possibility logging with password
Do not expose apps, that you are not need in this form, for example Yunohost allows to hide apps behind Yunohost SSO logging page
Using cloudflare or/and Fail2Ban is cool
Maybe I am a little bit paranoic, but I do not expose apps, that can be used anonymously by everyone, for example link shorters or pastebin alternatives.

It is not all of course.