Use ngrok for intranet penetration

1、 Download installation package

To ngrok Official website Sign in （ have access to GitHub To login ） And download ngrok Installation package

2、 Unzip to the directory you specified

• After decompressing, you get an executable file
  

3、 add to authtoken

• Go to the official website to check your authtoken

  

• It needs to be decompressed just now ngrok Execute the following command under the directory of , The following is what you can see on the official website authtoken

  ngrok config add-authtoken zzzzzzzzzzxxxxxxxxxxMhzJT0i_4KfwYpPURLbaFsyS3Kb4X
  

4、 Perform intranet penetration

Be careful ： Need to ngrok Execute the command under the unzipped directory , Otherwise it would be impossible to recognize ngrok command

Execute the following command , Create a connection with this computer 8080 port （ You can choose ） The tunnel

#  there localhost You can also change to other domain names 
ngrok http localhost:8080

After successful execution , too 1s The following interface will appear on the clock

Then you can take this domain name on the extranet to access your local localhost8080 Port ！！！！

5、 test

Create your own web engineering , Write an interface

@GetMapping("test")
public static String test() {
    
    log.error(" Received request pull .....");
    return "success";
}

Access the interface in the browser , give the result as follows ：

Be careful ： Because this is free intranet penetration , Therefore, only one port is allowed to be bound at the same time , Cannot bind multiple ports at the same time .