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Rabu, 01 Desember 2010

wifi access point Security

Until now there are two safety standards in the Wi-Fi network already offered. The first standard adalam WEP (Wired Equivalent Protocol), followed by standard WPA (Wi-Fi Protected Access). WEP secures traffic information on the Wi-Fi using a system of "safety lock" called "WEP key". With the WEP key is all traffic data is encoded first or encrypted before it is transmitted into the air so as to prevent access to unauthorized parties.Change the default administrator password (username)Who played on the Wi-Fi is the access point or router. To set up from this point access equipment, the vendor of the access point device will provide a web-based interface, where to enter into this interface then you need to fill in your username and password. Meanwhile, in some cases, equipment access point is set by the vendor with a specific username and password that is predictable by the user. For that you must change the default password of your access point. Even if you need to also change an existing username.

Enable encryptionAll Wi-Fi equipment must support some form of data security. The point encryption scrambles data sent on the wireless network so it is not easily readable by others.Wi-Fi equipment are now providing security technology options that you can use as needed. Make sure all the equipment in your wireless network using the security settings used on the access point.

Change the default SSIDAccess point or router using a network name called the SSID. Vendors usually give them the product name access point with a default SSID. For example, the SSID which was released by Linksys usually is "linksys". The reality is if someone knows an SSID is not necessarily so he could break into your network, but at least this is a beginning for him. In the eyes of a hacker, when seeing an SSID that is still the default, then it is an indication that the access points are not configured properly and there is likely to be cracked. Change your default SSID immediately after setting up your access point.

Enable MAC Address filteringEach Wi-Fi devices already have a unique identification called the "physical address" or MAC address. Access point or router will record every MAC address of the devices that connect to it. You can set that only devices with certain MAC addresses are allowed access into your wireless network. For example, your PDA has a particular MAC address, then you enter the MAC address of your PDA into a MAC address filter on your access point. So who can connect to the network while this is just from your PDA. But you also remain cautious, because the hacker could have made the MAC address filtering tricks to outsmart this.

Turn off the SSID broadcastIn Wi-Fi network, the access point or router typically will membroadcast SSID on a regular basis. This feature was deliberately designed for hotspot areas where Wi-Fi clients in the area and can just come and go quickly. Under conditions in your home or office where he would have the SSID you know yourself, then this feature should not be activated because it can invite the neighbor next door to you or also know the SSID to prevent other people ride your internet network for free. You can disable SSID broadcast facility is for the safety of your network.

Give a static IP address to Wi-Fi devicesToday people tend to use DHCP to assign IP addresses automatically to clients who want to connect to a wireless network. It's quick and easy way for your network, but remember that this is also an easy way for hackers to obtain a valid IP address on your wireless network. You can turn off the DHCP feature on the access point and set a range of IP addresses that have been fixed and also set your Wi-Fi devices that want to connect to the access point with a range of IP addresses that fix earlier.A safe place for the access point or routerWi-Fi signals normally reach up out of the house or office. Signal leaking out of the house or office until very high risk for the emergence of exploitation of your wireless network. You should put your access point equipment in the area around the living room of your home. Never put the access point or router near the window, because it will further increase the reach of Wi-Fi signal outside your home.Just turn off the wireless network when not in useThe most powerful security policy is to turn off the network or access point equipment when not in use. For example, do not ever leave the house with Wi-Fi is on, even if it is for downloading data. Access points are lit with no one to monitor very high risk of exploitation.
Wireless Lan or Wifi, networks that use radio waves, which are very inexpensive and easy to use, when compared with that using a Cable Network. However, wireless networks use radio waves ang Invisible fact, if we do not secure will enable hacked or the possibility of attack from outside.There are some important things that should be done for safety or security of your wireless network, at least reduce the level of hacking activity or attaking:
  1. Change Password Default Access Point.
  2. If possible, change the default IP. (Several brands of Access Points usually are accompanied by this facility.)
  3. Turn on encryption methods, use WPA encryption with Pre Shared Key (WPA-PSK), and provide a secure password. Can also take advantage of WPA encryption with Temporal Key Integrity Protocol).
  4. Turn off SSID Broadcast function, so you do not terdeksi SSID on the War Driving.
  5. Lindunngi SSID, by: changing the default SSID name with the name of the SSID that is not easily guessed.
  6. Use MAC address filtering to reduce the infiltration activity
  7. Non Enable DHCP, use static IP with a rare value diguakan.
  8. Use additional security such as: CaptivePortal or other applications that inject the firmware on the Access Point.
  9. Monitoring via Client Access Point, this is a new way of controlling terhadapa uuntuk Access Point do you have through the client. Process 'Block IP', 'Client Resctriction' and on other security. One application that can be used are: Mc Affe Wireless Home Security.

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