Windows 7 / Networking

Modifying Security Properties

After you make the initial connection to a wireless network, you may find that later on the network's security settings have changed. For example, an open network might decide to add encryption to improve security. Similarly, the person administering the network might upgrade to a more robust encryption setting or change the security key or password. You can adjust the security settings for an existing network using the settings in the Security tab of the wireless network connection's Properties dialog box. The Security tab offers the following controls:

  • Security Type-The security protocol used by the wireless network. Select No Authentication (Open) if the network is unsecured.
  • Encryption Type-The specific type of encryption used by the network's security protocol.
  • Network Security Key-The key or password required for authorized access to the network.
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In this tutorial:

  1. Setting a Small Network
  2. Setting Up a Peer-to-Peer Network
  3. Changing the Computer and Workgroup Name
  4. Connecting to a Wireless Network
  5. Working with Windows 7's Basic Network Tools and Tasks
  6. Accessing the Network and Sharing Center
  7. Setting Up a Homegroup
  8. Activating Homegroup Connections
  9. Creating a Homegroup
  10. Joining a Homegroup
  11. Accessing the Homegroup
  12. Changing Homegroup Settings
  13. Turning Off Homegroup Connections
  14. Viewing Network Computers and Devices
  15. Displaying a Network Map
  16. Viewing Network Status Details
  17. Customizing Your Network
  18. Managing Network Connections
  19. Opening the Network Connections Window
  20. Renaming a Network Connection
  21. Enabling Automatic IP Addressing
  22. Confirming That Windows 7 Is Configured for Dynamic IP Addressing
  23. Displaying the Computer's Current IP Address
  24. Setting Up a Static IP Address
  25. Displaying the Current DNS Addresses
  26. Specifying the Static IP Address
  27. Using a Network Connection to Wake Up a Sleeping Computer
  28. Disabling a Network Connection
  29. Managing Wireless Network Connections
  30. Opening the Manage Wireless Networks Window
  31. Creating an Ad Hoc Wireless Network
  32. Working with Wireless Connection Properties
  33. Modifying Connection Properties
  34. Modifying Security Properties
  35. Renaming Wireless Connections
  36. Reordering Wireless Connections
  37. Creating User-Specific Wireless Connections
  38. Removing Wireless Connections