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To secure the wireless network or to change any settings on the router you will need to access the router set up interface.
Open the set up interface of the router . Make sure that your computer will be connected to the router with the Ethernet cable.

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Onceyou open the set up page of the router , you will find the place tochange the wireless settings of the router. In case of Linksys wirelessrouter , you will see the Wireless Tab at the top.
SSID :It is the name of the wireless network. This name will be shown on yourwireless computer or the wireless device so that you can identify yourown wireless network. All the routers come with their factory defaultsettings. For example , the Linksys router will come with the Linksysnetwork name.
It will be better to change the wireless network name.
Wireless Security
Change the security mode to WEP.This security type is supported by all the operating system. Whenchange the security mode to WEP, you will find the Network key box totype the network key. Do not type anything in the Passphrase box. Typeyour network key in the Key 1 Box. If you set the encryption to 65bits, your network key will be 10 digit hexadecimal number. that meansyou can use the combination of 0,1,2,3,4,5,6,7,8,9 and lettersa,b,c,d,e,f only. remember it should be exactly 10.
If you set theEncryption to 128 bit, your network key will be the combination of 26digits. You will need to remember the network key.
WPA
This is one of the most secured type of encryption.
Openthe set up interface of the router. Change the wireless security modeto WPA personal. You will find the passphrase box. in this box you cantype any password for your wireless network. The password should be thecombination of number and letters and it should be 8 or more than 8characters.
This security type is supported by WINDOWS XP SP2 and above Operating system.
WPA2
This is one of the highly secured type of encryption.
Openthe set up interface of the router. Change the wireless security modeto WPA personal. You will find the passphrase box.In this box you cantype any password for your wireless network. The password should be thecombination of number and letters and it should be 8 or more than 8characters. Keep the Algorithm to TKIP.
This security type is supported by WINDOWS VISTA and above.
Once you change the wireless settings on the router , try to connect to the new wireless network .

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