Apple AirPort Networks Using a Radius Server, To set up authentication using a Radius server

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ÂIf you choose RADIUS, enter the type of RADIUS service, the RADIUS IP addresses, shared secret, and primary port for the primary RADIUS server. Enter the information for the secondary RADIUS server if there is one. Check with the server administrator if you don’t have that information.

Important: AirPort access control prevents computers that aren’t on the access control list from accessing the AirPort network. For information on how to prevent unauthorized computers from joining the AirPort network, see “Setting Up the AirPort Extreme Network” on page 17.

You can also add the MAC address of a third-party 802.11 wireless networking card to the access control list. Most third-party cards have the MAC address on a label attached to the metal case of the card.

Access control is not compatible with WPA or WPA2 Enterprise mode. You can use either access control or WPA Enterprise in a network, but you can’t use both.

Using a RADIUS Server

Using a RADIUS server on your network lets you authenticate MAC addresses (AirPort IDs) on a separate computer, so that each device on the network doesn’t need to store the MAC addresses of computers that have access to the network. Instead, all the addresses are stored on a server that is accessed through a specific IP address.

To set up authentication using a RADIUS server:

1On the server, enter the MAC addresses of the computers that will access the network.

2When the RADIUS server is set up, open AirPort Utility, select your wireless device, and then choose Base Station > Manual Setup, or double-click the device icon to open its configuration in a separate window. Enter the password if necessary.

3Click AirPort, click Access, and then choose RADIUS from the MAC Address Access Control pop-up menu.

4Choose a format from the RADIUS pop-up menu.

If you choose Default, your wireless device formats the MAC addresses as 010203- 0a0b0c, and they are used as the user names on the RADIUS server. The shared secret is the password for users joining the network. This format is often used for Lucent and Agere servers.

If you choose Alternate, MAC addresses are formatted as 0102030a0b0c and are used for both the user name and password by users joining the network. This format is often used for Cisco servers.

Chapter 3 AirPort Network Designs

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Contents Apple AirPort Networks Contents Getting Started Getting Started Getting Started Printing with an Apple Wireless Device Extending the Range of Your AirPort NetworkSharing Your Computer’s Internet Connection Getting Started To start Internet sharing on a computer using Windows Security for AirPort Networks at Home NAT FirewallClosed Network Password Protection and Encryption Transmitter Power ControlMAC Address Access Control Security for AirPort Networks in Businesses and ClassroomsWi-Fi Protected Access WPA and WPA2 Radius SupportWPA and WPA2 Personal WPA and WPA2 Enterprise Setting Up the AirPort Extreme Network Configuring and Sharing Internet AccessSetting Advanced Options Using AirPort Utility Setting AirPort preferencesTo set AirPort preferences To set up your wireless device manually If you don’t see your wireless device in the listSetting Up the AirPort Extreme Network If you can’t open the wireless device settingsAirPort Network Designs Wireless Device Settings Change the Device PasswordGive the Device a Name Other InformationWireless Network Settings Setting the Wireless ModeSet Device Options Naming the AirPort Extreme NetworkChoosing the Radio Mode Password-protect Your NetworkChanging the Channel Setting Wireless Options Setting Additional Wireless Options Use the Wireless Options pane to set the followingConfiguring and Sharing Internet Access Setting up a Guest NetworkYou’re Using a DSL or Cable Modem What It Looks Like How It WorksWhat You Need for a DSL or Cable Modem Connection What to Do AirPort Network Designs AirPort Network Designs AirPort Network Designs AirPort Network Designs Setting Dhcp and NAT Options AirPort Network Designs Setting Dhcp Only Options Setting Up Client ComputersTo configure TCP/IP on client computers using Mac OS X Next, choose Dhcp from the Configure IPv4 pop-up menu To configure TCP/IP on client computers using Windows To configure TCP/IP on client computersAirPort Network Designs You’re Using an Existing Ethernet Network What You Need for an Ethernet ConnectionWhat to Do AirPort Network Designs AirPort Extreme Ethernet WAN port Time Capsule Setting Advanced Options Setting Up Roaming To set up roamingExtending the Range of an 802.11n Network To extend the range of an 802.11n networkControlling the Range of Your AirPort Network To shorten the range of your AirPort networkTo help protect your network and wireless device Using Wi-Fi Protected AccessKeeping Your Network Secure To set up a WPA or WPA2 Enterprise network To set up a WPA or WPA2 Personal networkSetting Up Access Control To set up the access control listUsing a Radius Server To set up authentication using a Radius serverAirPort Network Designs To set up inbound port mapping To set up a default host To set up loggingLogging Using Back to My Mac on your Wireless Network To set up Back to My Mac on your wireless deviceTo set the time automatically Setting up IPv6 To adjust IPv6 firewall settingsCustomizing the IPv6 firewall To manually set IPv6 optionsSharing and Securing USB Hard Disks on Your Network To share a hard disk on your networkUsing a Time Capsule in Your Network Connecting a USB Printer to an Apple Wireless DeviceTo use a printer on your network Adding a Wireless Client to Your 802.11n Network To allow client access to your networkTo change the name of your USB printer Solving Problems On a computer using Mac OSOn a computer using Windows More Information About AirPort AirPort Utility HelpWorld Wide Web How Information Reaches Its Destination Packets and TrafficHardware Addresses IP AddressesUsing the AirPort Extreme Base Station Rules for Sending Information ProtocolsBase Station Interfaces Using the Time Capsule Using the AirPort ExpressTime Capsule Interfaces AirPort Express InterfacesApple Wireless Device Functions Items That Can Cause Interference with AirPort Glossary Glossary Glossary Glossary Glossary Glossary Glossary Glossary
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