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6 How to configure the AT-AR450S Firewall using the Graphical User Interface (GUI)

C613-16011-00 REV A

13 February 2004

Interfaces tab

The next tab on this screen is the Interfaces tab.

Click the Interfaces tab to display the Firewall Interfaces screen, as shown in Figure 3.

Figure 3: An example of the Firewall interfaces screen

This screen shows all the interface groups managed by the firewall:

■ Local Area Network (LAN)

■ Wide Area Network (WAN), and

■ DeMilitarised Zone.

This screen provides you with the opportunity to add existing IP interfaces into one of

these interface groups. You do this by clicking Modify LAN, Modify WAN or Modify

DMZ. This presents windows that enable the IP interfaces to be moved into or out of the

chosen group, as shown in Figure 4 on page 7, Figure 5 on page 7, and Figure 6 on page 8.

The interface lists shown in the following three figures are examples only.

You must have already created the IP interfaces. The firewall configuration

process does not create any IP interfaces by default.

Every IP interface must be attached to the firewall. Otherwise you will

have no protection from attack over that interface. If you add an IP

interface after initially configuring the firewall, you must return to the

page shown in Figure 3 and manually add it to the firewall.

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Allied Telesis AR450S Bedienungsanleitung Seite 6