[rnhmjoj]

Yes, translating packets between IPv6 and IPv4 is precisely what Jool does.

From what you're describing I think you have to options: if you have enough IPv4 addresses at your disposal to cover your IPv6-only machines, you can use the so called "SIIT-DC" mode [1].

Otherwise, if you have less IPv4 addresses, say just one on your router, and multiple IPv6 machine you can setup a stateful NAT64 [2] with some static BIB entries. NAT64 is basically the familiar NAT, just with IPv6 in the LAN instead of private IPv4 addresses (say 192.168.1.0), and static BIB entries are the equivalent of port forwarding. In this case you would run Jool on your router.

[1]: https://www.jool.mx/en/siit-dc.html

[2]: https://www.jool.mx/en/run-nat64.html

[3]: https://www.jool.mx/en/usr-flags-bib.html

[anotherpaul]

I appreciate your reply. Thank you.

I am using socat right now to achieve this translation but it is rather slow. So o hope a proper solution using tool might be more powerful. But it seems it requires at least a bit more networking insight than what I have at this moment. It's an opportunity to learn something new for me

Right now I simply rent a hetzner machine including a v4 ip to route the traffic to my V6 services.