Self Hosted - Self-hosting your services.

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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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[Question] What do you do to keep your server secure (lemmy.ca)

submitted 1 year ago by soullioness@lemmy.ca to c/selfhost@lemmy.ml

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For example, I prefer to use a VPN instead of port forwarding. And I use SSH for anything I used to use an FTP for.

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[–] splendoruranium@infosec.pub 3 points 1 year ago* (last edited 1 year ago) (2 children)

IP whitelisting

How do you do that? I understand how blocklisting would work but how does whitelisting work in practice? How can you know in advance from which IPs you will connect to your home network in the future? That just seems like a recipe for getting stranded in some hotel without a way into your network.

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

You could host a proxy on a vps, somewhere, and use that vps ip address for the whitelisting. At this point setting up a VPN sounds more convenient though

[–] const_void@lemmy.ml 1 points 1 year ago (1 children)

Blacklist everything then whitelist the IPs you know you'll be connecting from (work, cell phone, etc). I don't connect from random places usually. If I need to then I use cellular. You might be better off with a VPN if you need to connect from random places.

[–] splendoruranium@infosec.pub 1 points 1 year ago (1 children)

Blacklist everything then whitelist the IPs you know you’ll be connecting from (work, cell phone, etc). I don’t connect from random places usually. If I need to then I use cellular. You might be better off with a VPN if you need to connect from random places.

I see, thanks!
Is there any concern with whitelisting a cellular CGNAT's public IP? Presumably that would potentially whitelist thousands or tens of thousands of other mobile devices at once, wouldn't it?

[–] const_void@lemmy.ml 0 points 1 year ago

Is there any concern with whitelisting a cellular CGNAT’s public IP?

It depends on how much you decide to whitelist. In my case I whitelist my cellular carrier's IP block. Which does expose those services a little more broadly but I'm willing to risk it.