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Macintosh AirPennNet Configuration

Directions for versions 10.3.9 and 10.4.x

Internet Connect 1.2.0 is the recommended 802.1X configurator for Mac OS users () accessing AirPennNet or AirSAS. To use Internet Connect 1.2.0, you need a wireless networking card that supports at least 802.11b (WiFi).

Internet Connect 1.2.0 includes the settings for AirPennNet and AirSAS and uses Apple's built-in Internet Connect application. It works with both the Mac OS 10.3.x and Mac OS 10.4.x versions of Apple's Internet Connect application.

Mac OS 10.5 Leopard Compatibility The Internet Connect 1.2.0 installer available here and on the PennConnect DVD does not work correctly with Mac OS 10.5 Leopard because Apple has significantly revised the network interface.


The file will automatically unzip and place an installer on the desktop. Double-click the installer icon and follow the on-screen instructions accepting the defaults. After you finish, you can delete the installation file from the desktop.

Internet Connect 1.2.0

Configuration and Use

This version of InternetConnect 1.2.0 includes the settings for AirPennNet and AirSAS. No further configuration is necessary. To use AirPennNet or AirSAS after running Internet Connect 1.2.0:

  1. Launch Apple's Internet Connect application and click on the 802.1X tab.
  2. Verify that either AirPennNet or AirSAS has been selected in the Wireless Network: field.
  3. Enter your PennKey username in the User Name: field and your PennKey password in the Password: field.
  4. Click the Connect button. If a Verify Certificate window appears, click the Continue button.
  5. You are now connected to AirPennNet or AirSAS.

Mac OS 10.5.x Configuration

Apple's newest version of Mac OS, 10.5 Leopard, has implemented a new interface for connecting to wireless networks. Follow the instructions below to manually configure your Mac OS 10.5 system to connect to AirPennNet or AirSAS.

Important note: Penn's supported 802.1X supplicant, Internet Connect, does not function with Mac OS 10.5. Do not install the Internet Connect supplicant preferences from the Fall 2007 PennConnect DVD (or earlier editions), or from the Supported Products web page.

Setting Up A Connection To AirPennNet Or AirSAS In Mac OS 10.5

  1. From the Apple menu, choose System Preferences... The System Preferences window will open.
  2. Click the Network icon. The window will change to show Network settings.
  3. From the Locations drop-down menu, choose Edit Locations..., then click the plus (+) button.
  4. Enter AirPennNet or AirSAS for the name of your location, then click the Done button.
  5. Important note: If you have a pre-existing AirPennNet or AirSAS configuration from a previous installation of the Internet Connect component from PennConnect, you must remove it first and re-do its configuration by following these steps.
  6. From the Locations dropdown menu, choose AirPennNet or AirSAS
  7. In the left pane, highlight each device except AirPort and click the minus (-) button to remove it, leaving AirPort as the sole device.
  8. Click the Advanced... button.
  9. Click the 802.1X tab.
  10. In the Domain: dropdown menu, select User.
  11. In the left pane below Configurations, click the plus (+) button and enter AirPennNet or AirSAS.
  12. In the User Name: field, enter your actual PennKey username.
  13. In the Password: field, enter your actual PennKey password.
  14. In the Wireless Network: field, enter AirPennNet or AirSAS.
  15. In the Authentication: field, ensure only TTLS is checked, then highlight the selection.
  16. Click the Configure... button.
  17. In the TTLS Inner Authentication dropdown box, select PAP.
  18. Leave Outer Identity: field blank, then click the OK button.
  19. Click the OK button to dismiss the 802.1X settings window.
  20. Click the Apply button to activate your 802.1X settings you've configured in the Network settings of System Preferences. Optionally, close the System Preferences window.
  21. To connect, select AirPennNet or AirSAS from the AirPort dropdown menu. (Do not use the dropdown menu in the Network pane in System Preferences: see note below)
  22. Steps 21 to 26 may occur only on your initial connection to AirPennNet or AirSAS.
  23. If the Verify Certificate dialog box appears, click the Show Certificate button.
  24. Click the Always trust "" checkbox.
  25. Click the triangle icon to expand the Trust settings.
  26. In the When using this certificate: dropdown menu, select Always Trust.
  27. Click the Continue button.
  28. If a dialog box appears to request authentication to make a change, enter your Mac's username and password, then click the OK button.


Due to a bug in the initial release of Mac OS 10.5 Leopard, do not use the dropdown menu from the Network pane in System Preferences. Instead, use the AirPort dropdown menu in the upper right hand corner of the menu bar and select either the AirPennNet or AirSAS wireless network. Alternatively, select Join Other Network...and type AirPennNet or AirSAS; select 802.1X WEP from the Security drop-down box; enter PennKey username and password in the appropriate fields, and select AirPennNet from the 802.1X dropdown menu; click Join.

If these instructions fail the first time, you may need to remove certain items from your Keychain. Launch Keychain Access from Applications --> Utilities --> Keychain Access. Highlight any entries with name AirPennNet or AirPennNet 802.1X in the Kind category of Internet Connect, then hit the delete button (or control-click to delete it).

Portions of this page were taken from the ISC page Penn Computing: 802.1X for Mac OS 10.5 at and from Recommended Products: Internet Connect 1.2.0 at