Then all you have to do is search the socks port of the following network segment with proxyhunter.
You can access it by setting up socks proxy in flashfxp.
It connects to many educational networks with limited ip range through ftp.
Novices who are not familiar with proxyhunter and flashfxp can refer to related software.
textbook
Attachment: IP scope of education network
162. 105.0.0- 162. 105.255.255
166. 1 1 1.0.0- 166. 1 1 1.255.255
202. 1 12.0.0-202. 12 1.255.255
202. 192.0.0-202.207.255.255
202.38. 192.0-202.38.255.255
202.38.64.0-202.38. 127.255
202.4. 128.0-202.4. 159.255
2 10.25.0.0-2 10.47.255.255
2 1 1.64.0.0-2 1 1.7 1.255.255
2 1 1.80.0.0-2 1 1.87.255.255
2 18. 192.0.0-2 18. 199.255.255
2 19.2 16.0.0-2 19.220.255.255
2 19.222.0.0-2 19.223.255.255
2 19.242.0.0-2 19.247.255.255