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Advice needed (lemmy.world)

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

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Hello networking community! I need a setup where I can forward my server from my private network to another network which has a public ip to forward the server itself to the internet. When a client connects to the server, traffic should get forwarded to my private network somehow. I know that's possible, but don't know how I can achive that.

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[–] [email protected] 5 points 1 year ago* (last edited 1 year ago) (2 children)

Can you draw a diagram? It kind of sounds like you need either NAT or VPN or a combination of the two.

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

Sounds like he's behind a double NAT and wants a public IP

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

I don't think double NAT is my case. My ISP doesn't provide me with a public IP.

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

Excuse my amateur drawing..

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

I agree with the double nat on the adsl side. If you have a private IP and still have internet it's behind a NAT. You need a public IP on the top right. When you say forward traffic what type of traffic is being sent? Do you want it relayed or are you ingesting it and manipulating it in some way? I guess what is the server in top left doing with it before it goes to game server at top right? A simple route would pass this traffic from server to game server at the routing level.

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

I cannot acquire a public ip on the top right, it is nearly impossible. Forwarded traffic will mostly be straight TCP and UDP traffic. The server at the top left must only forward all traffics to top right network somehow. It should not modify anything. I just need to make use of that public ip from my private network.