Showing posts with label Wireless. Show all posts
Showing posts with label Wireless. Show all posts

Thursday, November 27, 2014

bench3

How to Change the Priority of Network Connections in Windows

Do you ever plug in your wired network card while your wireless card is still enabled? Ever wonder how Windows chooses which one to use? Here’s how to see the default priority—and how to change it if you want.

Note: there’s almost never any reason to change this, as Windows does a good job of choosing the right connection. Still, if you want windows to work differently with it, this is how you would do it.

How to Change the Network Card Priority

To change the priority, head into Network and Sharing Center and click on the Change adapter settings link on the left-hand side—or you can quickly open the network connections list by typing ncpa.cpl into the Start Menu search box.

How to Change the Priority of Network Connections in Windows

From here on there are two ways to change this…

Method 1:

  • press the ALT key on the keyboard,
  • Then click the “Advanced” menu
  • Choose “Advanced Settings”.
  • In the window that pops up, use the arrows on the right side to move the Local Area Connection above the wireless connections.
  • Click OK.

That's It.

Method 2:

Now that we’re in change adapter settings…

Choose the network card that you want to change the priority for, right-click it, and choose Properties from the menu.

How to Change the Priority of Network Connections in Windows 7

Now select the Internet Protocol Version 4 item in the list, and click the Properties button.

Change the Priority of Network Connections in Windows

Now click the Advanced button at the bottom of this window…. getting tired of clicking yet?

And now, finally, we’re at the place where you can make the change. Uncheck the box for Automatic Metric, and then type a number into the Interface Metric textbox. You can consult the list that we found in the command prompt earlier to know what metric to assign—you’ll probably want to assign it something higher than 1, since that’s used for the loopback adapter.

You may want to go ahead and change the priority for your other card as well, just to be sure that it is assigned the proper priority.

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Tuesday, December 20, 2011

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How To Set Up a Wireless Router or WiFi Access Point

A Wireless router is a device that performs the functions of a router but also includes the functions of a wireless access point and a network switch. They are commonly used to allow access to the Internet or a computer network without the need for a cabled connection.

Thus, a Wireless router can function in a wired LAN (local area network), a wireless only LAN (WLAN), or a mixed wired/wireless network.

To make the most of their security planning, enterprises need to focus on threats that pose the greatest risk.

Most current wireless routers have the following characteristics. Also we will see how to Set Up a Wireless Router or WiFi Access Point:

  • LAN ports which function in the same manner as the ports of a network switch
  • A WAN port to connect to a wide area network, typically one with Internet access. External destinations are accessed using this port. If it is not used, many functions of the router will be bypassed.
  • A wireless antenna allows connections from other wireless devices (NICs (network interface cards), wireless repeaters, wireless access points, and wireless bridges, for example), usually using the Wi-Fi standard.

Some wireless routers also include a DSL or cable modem in addition to their other components.

Wireless router or access point brings convenience because you’re not tethered to a wired connection. Setting up a wireless router or access point depends on the software that comes with the router or access point.

Warning: Wireless networks offer great potential for exploitation for two reasons; they use the airwaves for communication, and wireless-enabled laptops are ubiquitous. Wireless networks are vulnerable in a myriad of ways, some of the most likely problems being rogue access points (APs) and employee use of mobile devices without appropriate security precautions, but malicious hacking attempts and denial-of-service (DoS) attacks are certainly possible as well.

Wireless connections are more complicated to set up than wired connections. You’re basically setting up a radio transmitter that broadcasts to little radios attached to your PCs. You need to worry about signal strength, finding the right signal, and even entering passwords to keep outsiders from listening in.

How To Set Up a Wireless Router or WiFi Access Point

Wireless transmitters, known as Wireless Access Points (WAPs), come either built into your router or plugged into one of your router’s ports. The setup software is different on every model, but it requires you to set up these three things:

  • Network name (SSID): Enter a short, easy-to-remember name here to identify your particular wireless network. Later, when connecting to the wireless network with your computer, you’ll select this same name to avoid accidentally connecting with your neighbor’s wireless network.
  • Infrastructure: Choose Infrastructure instead of the alternative, Ad Hoc.
  • Security: This option encrypts your data as it flies through the air. Turn it on using the recommended settings.

Some routers include an installation program for changing these settings; other routers contain built-in software that you access with Windows’ own Web browser.

As you enter settings for each of the three things, write them on a piece of paper. You need to enter these same three settings when setting up your PC’s wireless connection.

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Tuesday, June 21, 2011

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Wireless Network Connection Not Having A Valid IP

The following article will help you resolve when you get a error message like this, Wireless Network Connection doesn't have Valid IP Configuration.

If you have problem connecting your Windows 7 to wireless modem or other wireless devices. However the same wireless device or modem can be used to other wireless enabled devices.

This type of problem can occur when Bonjor services are installed and running in your Windows. And to delete this, please follow the below steps:

  • Click On Start
  • Go To  Control Panel
  • Make sure the control panel icons are visible as Large Icons
  • Go To Windows Firewall
  • Click On Allow a program or feature
  • Click On Allow another program
  • Right click on Bonjour Services and delete it.
  • Close and reboot .

If the problem still has not been fixed, then follow the below steps:

  • Check if there is any upgraded firmware available on wireless modem.
  • Disable Firewall
  • Run the Network troubleshooter to see if it can help diagnose and solve your problem.

Open the Network troubleshooter by right-clicking the network icon in the notification area, and then clicking Troubleshoot problems.

“Using the Network troubleshooter in Windows 7”
http://windows.microsoft.com/en-US/windows7/Using-the-Network-troubleshooter-in-Windows-7
Also check for the status of Network Discovery = ON.
Refer this link
http://windows.microsoft.com/en-US/windows7/What-is-network-discovery

If you still face problem, then there should be something wrong with your device or the device diver, please check your device manufacture support for more information.

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Friday, April 1, 2011

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Logitech Wireless Solar Keyboard K750

if you want to free your keyboard from both wires and batteries, logitech has a product
for you: its wireless solar keyboard K750 ($80). this thin (one-third of an inch thick) keyboard features 2.4GHz wireless and gets power from both outdoor and indoor light—a capability that lets you do your computing under the sun.

Logitech Wireless Solar Keyboard K750

The solar-powered, wireless keyboard that makes battery hassles a thing of the past.

Powered by light: Good-bye, battery hassles. Solar power keeps your keyboard charged and ready—even indoors.

Very thin: Your desk is about to get sleeker thanks to this streamlined keyboard.

Feels good: It almost feels like typing on your laptop, but more comfortable.

Official Video Link: http://www.logitech.com/en-us/keyboards/keyboard/devices/k750-keyboard

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Saturday, January 8, 2011

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Leach The Internet Connection From Wireless Router

How to leach the Internet connection from PC using D-Link router:  I live in the basement suite of a house, and my PC connects just fine to the wireless internet upstairs, BUT my XBOX and PS3 don't have a strong enough range to reach. Sometimes it does, but 90% of the time it doesnt. My PC connects to the upstairs router using a D-Link Wireless USB card I got. Nothing fancy but it works.
Now, is there a way that I can use that connection, and share it so that I can plug my XBOX and PS3 into my own own D-Link router so they can leach the connection my PC is using from upstairs?

You best anwer is to use Homeplugs: For example, if your wireless speed is less than 54 meg, Home plugs can give you over 100 megs and they are a solid connection not like wireless which may drop when someone picks up a phone. You could have the router upstairs with a homeplug and a homeplug downstairs with a switch and run all three at once.
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Thursday, December 30, 2010

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Checking Wireless Security With Aircrack-Ng

Checking Wireless Security with aircrack-ng: Wireless networking can be a very big security risk for your organization for at least two reasons:
  • A hacker could get access to your network if they can get within range of a wireless access point that is not protected by encryption (an "open" network) or if the encryption key can easily be guessed
  • A hacker could set up a socalled "rogue" open access point, and then trick users into connecting to that rather than the company's real wireless access point. Once connected the hacker can usually gain access to the user's computer and any data sent to the rogue access point.
Wireless Encryption
To connect to your wireless network, a hacker first needs to authenticate himself by providing an encryption key (unless it is an "open" access, which is an open invitation to hackers). Most organizations use a system called WPA Enterprise, which is generally very secure, but smaller organizations may use alternative systems called WPA, WPA2, or WEP.

WEP is a very insecure system, and a hacker can often get access to a network that uses WEP encryption in less than two minutes. (For more information about this, see

WPA and WPA2, on the other hand, are both very secure -- unless the WPA key needed to access the wireless network is short enough to be brute-forced.

To maintain security it is important to ensure some form of WPA with long, random passwords protects your wireless networks. There is also a danger that users within your organization decide to connect their own access points to the network for their own purposes – perhaps so that they can use a Wi-Fi equipped mobile device – or that a hacker
sets up an open access point. 

These unauthorized or rogue access points are security risks, so it is important to scan your workplace regularly to detect them as quickly as possible.
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