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Is it considered bad practice to expose selfhosted services on public internet? (self.selfhosted)

submitted 1 year ago by OmltCat to c/selfhosted

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I see a lot of people here uses some form of remote access tool (VPN/Tailscale) to access their home network when not at home. I can’t really do this because my phone (iOS) can only activate one VPN profile at a time, and I often need this for other stuff.

So I chose to expose most web based services on the public internet, behind Authelia. But I don’t know how safe this is.

What I’m really unsure are things like Vaultwarden: while the web interface is protected by Authelia (even use 2FA), its API address needs to be bypassed for direct access, otherwise the mobile APP won’t work. It feels like this is negative everything I’ve done so far.

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[–] ollie 13 points 1 year ago (1 children)

It all just depends on how much you trust the app, and how you've set up things when it does go wrong. Not every container needs to be able to access other containers on the system, lan, have access to whatever folder, read/write permissions, etc

A good practice for things like vaultwarden would be to only whitelist the country/state you're in to minimize your attack profile

fail2ban or crowdsec can also help with all the rats sniffing around

[–] OmltCat 3 points 1 year ago

Limited container access is a good point. Noted.

I think the APP itself is fine, but would an API access give attackers a mean to brute force into it? Sorry no expert here.

The official wiki talks about securing password login with fail2ban. I guess this is not needed in my case, as it’s handled at the Authelia level.