Although I have never needed it myself, which in that case Mullvad might be better since they require minimal registration details.
[1]: https://mullvad.net/en/blog/removing-the-support-for-forward...
[2]: https://protonvpn.com/support/port-forwarding
torrents for example have hole punching functionality built into uTP where reachable peers help unreachable peers connect to each other.
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Although I have never needed it myself, which in that case Mullvad might be better since they require minimal registration details.
[1]: https://mullvad.net/en/blog/removing-the-support-for-forward...
[2]: https://protonvpn.com/support/port-forwarding