You can use peanut shells. PC downloads the peanut shell intranet penetration client, registers a peanut shell account, opens the intranet penetration service, goes to the peanut shell management center, fills in the mapping host IP, sets the mapping port number 8843, and saves it.

The external network can be accessed directly with the generated domain name, and the internal network can be accessed through IP.

For details, please see