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Is it safe to open ports 80 and 443 in my home network? (sh.itjust.works)

submitted 1 year ago by [email protected] to c/[email protected]

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Hi all, I'm running a small website off of a raspberry pi in my house. I have opened ports 80 and 443 and connected my IP to a domain. I'm pretty confident in my security for my raspberry pi (no password ssh, fail2ban, nginx. Shoutout networkchuck.). However, I am wondering if by exposing my ports to the raspberry pi, I am also exposing those same ports to other devices in my home network, for example, my PC. I'm just a bit unsure if port forwarding to an internal IP would also expose other internal IP's or if it only goes to the pi. If you are able to answer or have any other comments about my setup, I would appreciate your comment. Thanks!

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[–] [email protected] 2 points 1 year ago* (last edited 1 year ago)

It should be safe, as it just exposes the Raspberry Pi. Make sure you've configured fail2ban to also watch the logs of all your webapps and ban people that try to brute force them (for example, if you host your own Vaultwarden instance, fail2ban should be configured to watch the Vaultwarden log for authentication failures).

For web apps that only you need to access (i.e. they do not have to be exposed publicly), consider using a VPN to access them remotely, instead of exposing the apps publicly. Wireguard and Tailscale work well for this. Tailscale is built on top of Wireguard and makes it very easy to get up and running.