Operation Manual

IMPORTANT: Unprotected Wireless Networks Are a Security Risk
If you set Security to None, everybody can connect to your network, reuse
your connectivity and intercept your network connection. To restrict access
to your access point and to secure your connection, use encryption. You
can choose between various WEP and WPA–based encryptions. If you are
not sure which technology is best for you, read Section 24.3, Authentica-
tion” (page 433).
5
Conrm your conguration with OK.
25.5 Using GNOME NetworkManager
In GNOME, NetworkManager can be controlled with the GNOME NetworkManager
icon. If the network is set up for NetworkManager control, the icon is automatically
shown in the top bar.
If your top bar does not show any network connection icon, GNOME NetworkManager
is probably not started. Press Alt + F2 and enter nm-applet to start it manually.
25.5.1 Managing Wired Network
Connections
If your computer is connected to an existing network with a network cable, use the
NetworkManager icon to choose the network connection.
1
Click the icon to show a menu with available networks. The currently used connection
is listed on top of the menu, followed by other active connections.
2
Click Network Settings to get detailed information on all active interfaces.
3
To disconnect an active connection, click the OFF button next to Wired.
4
If you want to use a different conguration with the wired network, open the network
conguration dialog and add another wired connection as described in Procedure 25.1,
458 Reference