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How do I pass traffic on some port to a wireguard peer (lemmy.ml)

submitted 21 hours ago by lonesomeCat@lemmy.ml to c/linux@programming.dev

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So I have an http server on node A, and a VPS on node B. Both are connected through wireguard on a VPN which consists only of these two nodes. I'm trying to make all the requests that arrive on http/s on node B to be forwarded to A and processed there. Then of course the response must return to the original sender. I've seen a million ways to do it online and I'm hitting a brick wall so how would you do it properly on a fresh install (assuming my firewall, ufw in my case, is disabled. I'll figure it out once routing works as intended)

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[–] possiblylinux127@lemmy.zip 1 points 20 hours ago* (last edited 20 hours ago)

You need to rewrite the incoming dest IP address to be the IP of node B. The important part is to make sure the source IP is unaltered.

The easiest solution would be to setup a reverse proxy on Node A and have it forward traffic to Node B.