there are two common ways to check whether the wireless router has been hacked.

1. Log in to the router setup interface. The address, user name and password of the router are generally posted on the back. Open the browser and enter the corresponding address in the address bar. The common router address in the market is generally 192.168..1 or 192.168.1.1. Because of the different functions of each router, some routers will directly display the current number and name of device connections, and some need to check it in the DHCP client list in the network parameters. If a device you don't know is connected to the network, it means someone is surfing the network.

2. Install viewing software on the computer. There are many protection softwares in the market that provide similar functions, and the interface and operation are very simple.

if you want to prevent being rubbed, you must first understand why you are rubbed.

the wireless router is a point-to-point broadcasting mechanism, and all devices can receive the router information, but the broadcast information is encrypted and verified by the mechanism. To make an image metaphor, the router is the stall owner of the food stall in the food city. If you do a good job, you will shout "No.36 fried rice with eggs, No.36". At this time, show him the No.36 card and the fried rice with eggs can be taken away. Wireless communication is the same principle. The router will broadcast data packets, which contain pairing information. When the device receives the correct pairing information, it will save and decrypt it, and then broadcast the feedback information. The router will respond after receiving the broadcast. If the wrong device receives it, the device will automatically discard the data packet without responding. But these are normal data processing mechanisms. People who want to surf the Internet will use this principle to save all the received data packets, including those sent by the router and those sent to the router, and use the cracking software to carry out pairing detection until cracking.

If you find that you have been hacked or prevent being hacked, you can take the following preventive measures:

1. Set a complex password. Many routers only set simple digital passwords or English words for their own login convenience, which is the easiest to crack. Letters+numbers+special symbols should be used to increase the difficulty of cracking, so that even if the data is grabbed, it will take too long to crack because of the strong password, forcing people who want to surf the Internet to give up cracking.

2. Turn off the WPS function of the router. This is an 8-bit digital code, which was originally intended to enable devices to connect to the router quickly, but it has become a convenient back door for internet surfers due to design flaws. In a router, it can be turned off in the network setting section.

3. For those who have been found to have been surfing the Internet, you must first change the router login password. The default is generally username: admin password: admin or username: guest password, which is set in the system --> Password modification, this is the management password of the router, not the wifi password, so it must be clearly distinguished. Then enter the wireless MAC address mask of wifi management, fill in the MAC address of the surfing device (such as BD:22:F3:23:DD:1F) in the block list, then enable the block function, and finally change the WIFI password in the wireless setting part, and the surfer will be shut out forever.

digression: Some people may suggest turning off the DHCP function and enabling the white list, but doing so will bring great trouble to themselves, and it will be inconvenient for friends to come to their homes. The simplest and most effective prevention methods are steps 1 and 2 I introduced earlier.