Chapter 3 Configuring the DOCSIS Residential Gateway
Setting Up MAC Address Filters
The Block/Pass drop down menu allows you to block or pass Internet access to the
MAC addresses of the devices you list in the MAC Address Filters table. The
following table describes the function of the Block/Pass drop down menu.
Select Block to deny Internet access to the MAC addresses of
the devices you list in the table. All other MAC addresses will
be allowed Internet access.
Select Pass to allow Internet access only to the MAC addresses
of the devices you list in the table. Any MAC addresses not
listed in the table will be denied Internet access.
Function Keys
The following function keys appear on the Advanced Settings - MAC Filtering page.
Saves the values you enter into the fields without closing the
screen.
Saves the MAC Address entered in the associated text field.
Removes the selected MAC address.
Removes all defined MAC addresses .
Configuring and Enabling TCP and UDP Port Filters
Use the Setup Advanced Settings - Port Filtering page to configure and enable TCP
and UDP port filters. These filters prevent a range of TCP/UDP ports from accessing
the Internet. You can also prevent PCs from sending outgoing TCP/UDP traffic to
the WAN on specific IP port numbers. This filter is not IP address- or MAC address-
specific. The system blocks the specified port ranges for all PCs.
Note: If you are not familiar with the advanced settings detailed in this section,
contact your service provider before you attempt to change any of the residential
gateway default advanced port filtering settings.
Click Port Filtering in the Advanced Settings section of the Setup page to access the
Setup Advanced Settings - Port Filtering page.
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