That’s part of the issue; All of the “best” VPNs have stopped offering port forwarding. Mullvad and Proton are the gold standard for VPNs, but neither offer port forwarding. Private Internet Access still offers it, but they were bought out by a marketing company that was caught sneaking adware into their programs. PIA’s service is still good, but it relies on you trusting an ad company with your internet traffic. They claim to not save any logs or use your data, but they’ve also been found to be liars in the past with that adware scandal.