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ProSafe VPN Firewall 200 FVX538 Reference Manual
LAN Configuration 3-7
v1.0, August 2006
– You can assign PCs to Groups and apply restrictions to each Group using the Firewall
Rules screen (see “Using Rules to Block or Allow Specific Kinds of Traffic” on page 4-1).
– You can also select the Groups to be covered by the Block Sites feature (see “Setting
Block Sites (Content Filtering)” on page 4-25).
– If necessary, you can also create Firewall Rules to apply to a single PC (see “Enabling
Source MAC Filtering” on page 4-27). Because the MAC address is used to identify each
PC, users cannot avoid these restrictions by changing their IP address.
• A computer is identified by its MAC address—not its IP address. Hence, changing a
computer’s IP address does not affect any restrictions applied to that PC.
This Known PCs and Devices table lists entries in the Network Database. For each computer or
device, the following fields are displayed:
• Name: The name of the PC or device. For computers that do not support the NetBIOS
protocol, this will be listed as “Unknown” (you can edit the entry manually to add a
meaningful name). If the computer was assigned an IP address by the DHCP server, then the
Name will be appended by an asterisk.
• IP Address: The current IP address of the computer. For DHCP clients of the router, this IP
address will not change. If a computer is assigned a static IP addresses, you will need to update
this entry manually if the IP address on the computer has been changed.
• MAC Address: The MAC address of the PC’s network interface.
• Group: Each PC or device can be assigned to a single group. By default, a computer is
assigned to Group 1, unless a different group is selected from the Group pull-down menu.
• Action: Allows modification of the selected entry by clicking Edit.
To add computers to the network database manually:
1. Select Network Configuration from the main menu and LAN Groups from the submenu.
The Groups and Hosts screen will display.
2. In the Add Known PCs and Devices table, enter the name of the PC or device.
3. From the IP Address Type pull-down menu, select Reserved (DHCP Client) to direct the
router to reserve the IP address for allocation by the DHCP server, or select Fixed (Set on PC)
if the IP address is statically assigned on the computer.
Note: When assigning a Reserved IP address to a client, the IP address selected must
be outside the range of addresses allocated to the DHCP Server pool.