Novell LINUX ENTERPRISE SERVER 10 SP2 - INSTALLATION AND ADMINISTRATION Installation Manual page 592

In the last dialog, specify additional connection options:
Dial on Demand
If you enable dial on demand, set at least one name server.
Modify DNS when Connected
This option is enabled by default, with the effect that the name server address is
updated each time you connect to the Internet.
Automatically Retrieve DNS
If the provider does not transmit its domain name server after connecting, disable
this option and enter the DNS data manually.
Stupid Mode
This option is enabled by default. With it, input prompts sent by the ISP's server
are ignored to prevent them from interfering with the connection process.
External Firewall Interface
Selecting this option activates the SUSEfirewall2 and sets the interface as external.
This way, the system protected from outside attacks for the duration of your Internet
connection.
Idle Time-Out (seconds)
With this option, specify a period of network inactivity after which the modem
disconnects automatically.
IP Details
This opens the address configuration dialog. If your ISP does not assign a dynamic
IP address to your host, disable Dynamic IP Address then enter your host's local
IP address and the remote IP address. Ask your ISP for this information. Leave
Default Route enabled and close the dialog by selecting OK.
Selecting Next returns to the original dialog, which displays a summary of the modem
configuration. Close this dialog with Finish.
574 Installation and Administration