How to use holer to access the intranet WEB? from the public network

the WEB server is installed locally and can only be accessed within the local area network. How can I access the local WEB server from the external network?

I found an open source holer software on the Internet, which seems to be able to access from the external network, but I don"t know how to use it to access the local WEB? from the external network.

Nov.13,2021

has found a lot of documents to refer to. external network access private network WEB

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