Abstract

Nowadays, many units have set up their own LAN, some units do not allow staff to chat on the net while working, so only 80 ports are opened on the exit gateway of the LAN, which brings inconvenience to some staff who need to exchange information or transfer files when working. They need a chat software that can exchange information in the LAN. And now the college student dormitory computer popularity rate is very high, many of them only connected to the school's LAN, and did not pay for the Internet, so they also need a LAN chat software to exchange information.

Full Text
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