(There are many ways to prevent others from stealing your wireless network (that is, the legendary swiping network): First of all, it is recommended that you use the wireless encryption method of WPA2, because it is difficult to crack the wireless password using this encryption method; Even if you use the hidden wireless method, once you hide the SSID, others will not be able to scan your wireless network, but the network card can still be scanned. The disadvantage of using this method is that you need to manually configure the client to connect. To the wireless network (refer to manually setting the client to connect to the wireless router to set); the third and best method is to configure the wireless MAC address filter, which can add the MAC address of the wireless network card of the host that allows networking to the MAC address. In the table, only the hosts in this table are allowed to use the wireless network. For detailed configuration steps, please refer to this article on setting wireless MAC address filtering on wireless routers. In this way, those who use the Internet will be helpless even if they have great skills.)