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 [email protected] to c/[email protected]
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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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[–] [email protected] 1 points 1 year ago (2 children)

A DMZ is always recommended in such cases.

> Should I create a sub network and get a raspberry pi to host these apps?

Yes, it's always better. However, Pi may be overpriced now. Take a look at NUC-sized miniPCs, for roughly the same price you'll get much more computing power.

[–] [email protected] 1 points 1 year ago (1 children)

Pi's have been regularly in stock for months now at MSRP.

https://rpilocator.com/?country=US

[–] [email protected] 1 points 1 year ago

This new wave of "buy a core i7 4th gen USFF PC instead of a Pi" is wild. It's really case by case of what you are doing but lots of people seem to push "proxmox and tons of VMs! or GTFO" on everyone.

[–] [email protected] 1 points 1 year ago

But ya, i mentioned in the other comment that I placed an order this morning.

After a light research on the comparison, I guess I will cancel the order for it. Is there any particular model that you recommend for several dockerized golang apps?