this post was submitted on 22 Oct 2023
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Security Concerns: Exposing My Local RESTful API to the Internet via Cloudflare Tunnel – Is My Home Network at Risk? (alien.top)
submitted 1 year ago by Sheeesssshhhhhh@alien.top to c/main@selfhosted.forum
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Hello guys, I'm have little to no experience when i have to deal with networking or cybersecurity.

I recently created a backend RESTful API on my Ubuntu VM on my personal desktop and dockerized the app, connecting it to a bridge network named 'tunnel.' I also have the Cloudflare Docker hosted in the same 'tunnel' network, which allows my local RESTful API Docker to be accessible via my domain and exposed to the internet.

Can anyone help me understand if this setup poses any security risks to my home network?

If so, what should I do to help reduce the risk? I have read that firewall helps, but does a restful api container developed with golang requires it?

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[–] ghoarder@alien.top 1 points 1 year ago

I see no one has mentioned Kong, it's an api gateway that can reverse proxy your api requests but it's so much more than that. It can do all sorts of pipelining to do stuff like add JWT, OAuth or Key authentication, rate limiting plus more. You can run it in a docker container too.