I’ve just started hosting stuff and i’ve been using frp’s stcp to make stuff accessible when i’m at school. I was wondering if I should bother setting up/switching over to wireguard which is apparently the way to go?
From the link in the post it's a reverse proxy backed by terminos which is a secure OS for kubernetes and is really good, so I imagine this proxy is also really good. So OPs setup is already likely fine as is.
You don't need ACLs for small stuff (access control lists, they are used for least privilege) all you need to do is to install the client in each machine and then those machines can talk as if they were on the same network.
If you wanted to access device C from device B running Netbird you could also use the routing feature to route traffic as if you were on the local network. You also can use the VPN feature if you want to get the same experience as if you were at home.
The proxy you are using seems like a good one and if you are using auth on it you aren't exposing the services under it directly, so the vulnerability would be proxy or your password to reach any potential vulnerabilities on the service. Sure there could be some crazy bad vulnerability on the proxy, but as long as your using a good trusted one and not doing some config to bypass their security, and updating it, you should be fine. Some people here think you could use vpns and such for everything and sometimes you just gotta share your services and going through a proxy service is a good solution.