What is a network penetration?
Where the network is your own network environment, external can not directly access.
Network penetration allows you to break through restrictions within the network, allowing direct access to the outside where you are within the network service.
Download and use tools ngrok
Download Link: https://pan.baidu.com/share/init?surl=SafO2stm6RbgPVugOKBt0g extraction code: fvm4
Simple to use ngrok of: ngrok http 8080
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