You can configure firewall interfaces, using this second option of the firewall service blade setup wizard, or the Configure Firewall Interface(s) option in the Firewall menu.
For the Firewall Service Blade Setup Wizard:
Right-click the blade, then select Firewall Service Blade Setup Wizard.
Click Next till the Configure Firewall Interfaces option, in the left pane, is selected.
For the Firewall menu:
Right-click the blade, then select Configure Firewall Interface(s).
The following information appears:
To create a new firewall interface click Create.
To delete a firewall interface, select a row, then click Delete.
To change the security level, IP address, and subnet mask of the
interface, select a row, then click Modify.
In the Firewall Service Blade Setup Wizard:
To go to the previous wizard option click Back.
To go to the next wizard option, click Next.
Name of the VLAN.
Name of the secured firewall interface.
Level of security of the firewall interface.
IP address assigned to the VLAN
Subnet mask of the VLAN IP address.