Novell LINUX ENTERPRISE DESKTOP 10 SP1 - GNOME 23-05-2007, Manual

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Managing Network Connections 185
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Figure 11-2
Access Point Configuration
To disable wireless networking, right-click the applet icon and uncheck Enable Wireless .
11.2.2 NetworkManager and SCPM
NetworkManager cannot work together with System Configuration Profile Management (SCPM) if
SCPM also manages the network configuration. If you want to use SCPM and NetworkManager at
the same time, you must disable the network resource in the SCPM configuration. To disable the
network resource in all your SCPM profiles:
1 In YaST, click System > Profile Manager .
2 In the group list, select network and click Delete .
3 Click OK .
4 Click OK again.
5 To finish the configuration, click Close .
11.2.3 NetworkManager and Security
NetworkManager distinguishes two types of wireless connections, trusted and untrusted. A trusted
connection is any network that you explicitly selected in the past. All others are untrusted. Trusted
connections are identified by the name and MAC address of the access point. Using the MAC
address ensures that you cannot use a different access point with the name of your trusted
connection.
If no wired connection is available, NetworkManager scans for available wireless networks. If
multiple trusted networks are found, the most recently used is automatically selected. If all are
untrusted, NetworkManager waits for your selection.
If the encryption setting changes but the name and MAC address remain the same, NetworkManager
attempt to connect, but it first asks you to confirm the new encryption settings and provide any
updates, such as a new key.
In a system with a wireless connection only, NetworkManager does not automatically start the
connection during boot. You must log in first to establish a connection. If you want to make a