
CBV704EW Series Cable Modem
User’s Manual
17
These PCs can still communicate with each other on your LAN, but packets
they originate to WAN addresses are blocked by the CBV704EW.
To enable IP Filtering feature of CBV704EW, check the
Enable
box and click
Apply
button.
5.1.5 MAC
Filtering
The MAC Filtering page enables you to enter the MAC address of specific
PCs on your LAN that you don’t permit to have outbound access ability to the
WAN. These PCs can still communicate with each other through the
CBV704EW, but packets they send to WAN addresses are blocked.
To enable MAC filtering feature of CBV704EW, enter the MAC address of the
LAN device and click
Apply
button.
5.1.6 Port
Filtering
The Port Filtering page allows you to enter ranges of destination ports
(applications) that you don’t want your LAN PCs to send packets to. Any
packets your LAN PCs send to these destination ports will be blocked. For