3Com WL-542 - Manual (Page 68)

66 C HAPTER 5: C ONFIGURING THE R OUTER
To enable the MAC Address Filtering feature:
1 Click Enable for the Enable MAC Address Filtering option.
2 In the Access Rule for registered MAC address option, select Allow or
Deny to determine the access rights for the list of addresses defined in
the MAC Address Filtering List.
3 To add entries to the MAC Address Filtering List:
■ Enter the MAC address of each client on your network to allow
network access
or
■ Copy the MAC address by selecting the name of the computer from
the DHCP Clients List, and then in the MAC Address Filtering List click
Copy To.
4 Click Apply to save the settings.
DMZ If you have a client PC that cannot run an Internet application properly
from behind the firewall, you can open the client up to unrestricted
two-way Internet access. This may be necessary if the NAT feature is
causing problems with an application such as a game or video
conferencing application.
Figure 56 DMZ Screen
Use this feature on a temporary basis. The computer in the DMZ is not
protected from hacker attacks.