Tuesday, March 13, 2012

Securing Your Wireless LAN /WIFI/ WLAN




WLAN/WIFI is quite famous nowadays.Due to all those hassle in wires,network cables,jacks etc,many people are using the wireless network.But are your network system protected?you know there are bunch of such people who will use your wireless system without your authorization. So here in this article i will show you how to secure your Wireless LAN.Wireless LAN security is also divided into two parts. The difference is in the security issues.With Wireless Networking, no cables or wires are needed to network your computers and share your Internet connection. Wi-Fi connects computers, printers, video camera’s and game consoles into a fast Ethernet network via microwaves.


Following actions should be taken.

    * The most important thing is to change the default password of your access point.

    * Firmware and the drivers of your wireless access point and wireless adapters should be up to date. They should be updated whenever necessary.

    * There should be a combination of high level encryption and decent keys (WPA2/802.11i ) recommended. Nowadays we have WEP as well.

    * Wireless users should be authenticated with different protocols like 802.1X, RADIUS, EAP (including EAP-PAX, EAP-PSK, EAP-TLS, EAP-TTLS, EAP-FAST, EAP-POTP, EAP-IKEv2, EAP-GPSK, PEAP, and EAP-SIM.

    * The above protocols give credentials including certificates, usernames, passwords etc.

    * Use Wireless LAN Security Tools for securing the wireless network. This software is specifically designed for securing 802.11 wireless networks.A perfect example is the Cisco Network Magic software.This software helps to track down those intruders hence protecting your wireless network further more.This software also has tools like to fix network errors,speeding up the internet,control the network over other computer and many more.You can also find many other software that can help protect your network.

    * Use a proxy for outgoing requests.

    * Always check the security of the wireless LAN using recent tools like Cisco Network Magic.

    * Make strict system logging on all the devices, do check your wireless log files regularly.

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