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Just learned how to do a reverse proxy
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this post was submitted on 27 Jan 2025
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Pretty much I have caddy on a VPS that's pointing to my internal IP using a tailscale tunnel. You are still exposing the web gui to the Internet so I just changed authentication to OAuth to mitigate since risk. There is still a possibility of attacks via zero days, but my immich is on a VM and I'm creating firewall rules to just allow certain ports out.
I appreciate the extra details but I still don't know what "caddy", "VPS", "tailscale tunnel", or "zero days" are, but I can look it up.
It's hard to explain from scratch.
Caddy is a reverse proxy software that essentially redirects traffic from a certain port to another port. For example external:port => internal:port. It also enables SSL encryption meaning everything will be encrypted en route between the external and the user.
VPS is a virtual private server. Just someone else's computer you can expose to the Internet.
Tailscale is a mesh VPN that uses wire guard as its transport. I use this to tunnel between my VPS and my Immich server to hide my home IP and to allow encrypted traffic between my Immich server and my VPS.
A zero-day (also known as a 0-day) is a vulnerability in software or hardware that is typically unknown to the vendor and for which no patch or other fix is available. The vendor thus has zero days to prepare a patch, as the vulnerability has already been described or exploited.
There's no fix other than security through layers.
That actually helps a lot, thanks!