Hello, everybody I have some questions.

I want to connect bitcoind to a local network that hard-forked Bitcoin.
All peer's Bitcoin-related ports are blocked from external access. (e.g. 8333, 8332)
Is there a good way to run the node in this state?

ps) The ElectrumX server is configured and it is accessible and nomp (node-open-mining-portal) is also accessible

Thanks to all