Novell LINUX ENTERPRISE SERVER 10 - INSTALLATION AND ADMINISTRATION 04-08-2006 Installation Manual page 585

1 Select a card from the list of detected cards in the YaST network card configura-
tion module and click Edit.
2 Enter the General tab of the network configuration dialog.
3 Determine the firewall zone to which your interface should be assigned. The
following options are available:
Firewall Disabled
The firewall is not run at all. Only use this option if your machine part of a
greater network that is protected by an outer firewall.
Internal Zone (Unprotected)
The firewall is run, but does not enforce any rules to protect this interface.
Only use this option, if your machine part is part of a greater network that
is protected by an outer firewall.
Demilitarized Zone
A demilitarized zone is an additional line of defense in front of an internal
network and the (hostile) Internet. Hosts assigned to this zone can be reached
from the internal network and from the Internet, but cannot access the internal
network.
External Zone
The firewall is run on this interface and fully protects it against other (pre-
sumably hostile) network traffic. This is the default option.
4 Click Next.
5 Activate the configuration by clicking Next again.
Configuring an Undetected Network Card
It may happen that your card is not detected correctly. In this case, the card is not in-
cluded in the list of the detected cards. If you are sure that your system includes a
driver for your card, you can configure it manually. To configure an undetected network
card, proceed as follows:
1 Click Add.
Basic Networking 585