Wednesday, January 20, 2010

How to protect a wireless network

I use both wired and wireless in the house. I have the fortune of an Internet Service Provider (ISP) that provides up to three IP addresses. I connected the switch to my modem, router, and two (one wired, wireless and others) to the switch. Each router has its own IP address from my ISP. My desktop is connected to the LAN router and two laptops that connect a wireless connection. The laptop can connect to the router with a LAN network cable, if IAlso selected.

The biggest problem, I wanted to address during the configuration of the wireless network is security. I'm always skeptical about wireless security, but since I bought a laptop, I decided to try a wireless network.

There are many discussions about how to protect a wireless connection, some good, some bad and useless. This contribution will not go into details on how to change the router settings to save her, but will be discussed are those thatchanged.

Administrator rights - Important
This is important if you have a wireless or wired network. Ensure all access points) have access (points of a good strong password with the administrator account is assigned. If anyone can log into your router due to a weak password, the network can be compromised. You can also using the administrative ID and change it.

Enable WPA encryption - Important
This is probably the most important safetyMeasures to meet the security of wireless network. The previous standard called Wired Equivalent Privacy (WEP) was easy to decipher in 30 seconds.

The new Wi-Fi Protected Access (WPA) is safe and will be activated. You must also choose a password that required for each computer to connect to the router. Choose an appropriate stage, the long, difficult to guess but easy to remember. Write somewhere so you do not forget, it is not. For assistance in creating a strongPassword, please read my post on how to create secure passwords. Follow the advice, but merely make the passphrase for longer.

The reduction of IP addresses - Important
Router, you can limit the number of IP addresses assigned to them. If you have a computer, have the router assign an IP address. If you have three computers, then the router should assign three IP addresses. This will not always prevent someone from entering your network, but if all computers are connected, the routercan not be assigned IP addresses to another computer.

Switching Router - Important
If you are away for a while 'to be, for example on holiday, just turn on the router. If the router is turned off, then nobody will be able to produce a connection while you are away. Do not lose the settings of the router, and easy when you come back.

Turn off SSID broadcast - Indifferent
This is a questionable choice on a wireless connection. Many people wouldargue that no SSID broadcast will help with security. My opinion is that there will be no real security. Those who attempt to access the wireless network can easily find the SSID to win, if it is passed or not. I also have problems connecting to a wireless network if the SSID is not sent, so I think the attitude on the air.

Use MAC Filtering - Indifferent
Similar to the transfer of the router's SSID, this is a controversialPeriod. An IP address is specific to a computer, a MAC address is specific to a network card in your computer. Enabling MAC filtering on the router only allows certain network adapter to connect to the router. Although this seems to be a good idea, can be a headache to manage the MAC addresses for all computers that connect to the wireless router. A skilled person will also be able to "spoof" (imitation) a MAC address, so that does not guaranteeSecurity.

Abstract
There are many settings that can be changed in your router to secure your wireless network. This article has a lot of them are listed, and you can do all or only some. The following should be done to make sure the connection:

Change the administrator password and ID.Enabling EPA encryption.Reduce the number of IP addresses.

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