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Port forward to different IP based on destination address in opnsense (self.selfhosted)

submitted 8 months ago by doctorzeromd to c/selfhosted

14 comments fedilink hide all child comments

cross-posted from: https://lemmy.world/post/14180956

Hello all you lovely people!

I'm trying to figure out if I can port forward to different servers based on the destination domain.

I have a domain with a wildcard cert and I'd like to be able to route all traffic headed towards "1.domain.com" to a server I'm calling "1". I'd still like traffic headed to domain.com to go to where it's currently going, we can call this server "0", and to be able to have a 2.domain.com or 3 or 4 in the future.

I thought that having a port forward rule with: interface: WAN Protocol: any source: any destination: a url alias including 1.domain.com redirect target ip: local ip

Would work, but it doesn't seem to. Any tips?

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[–] [email protected] 1 points 8 months ago

Don't know of this working this way. The incoming connection needs to connect to a device to find out what the domain was resolved. I think it's easier to forward different ports to different machines.

Example: domain.com resolves to your IP. Port 80 forwards to web/80 on server 0. Port 180 forwards to web/80 on server 1. Port 280 forwards to web/80 on server 2.

Almost all commodity hardware will support this set up.