Port Blocking - NETGEAR CG3100Dv3 User Manual

To use MAC filtering to block Internet access for a specific computer:
1. In the main menu, under Advanced, select
MAC Filtering.
The Trusted Devices table shows
computers that have access to the Internet
through the gateway. Click Refresh to
update the Trusted Devices table.
2. In the Add MAC Filter table, you can use
either of these methods to specify computers
to block:
• If the computer is in the Trusted Devices
table, click its radio button. The MAC
address will be added into the Add MAC
Filter table.
• Fill in the Device Name and MAC
address fields.
3. Click Add.
The MAC Filter List Enable checkbox is
automatically selected for that computer.
4. Select the days and times to block the computer:
• Day(s) to Block. Select the days to block the computer selected in the MAC Filter
List. The default is Everyday.
• Time of Day to Block. You can specify the time of day to block the computer. The
default is All Day. Be sure that you clear the All Day checkbox if you want to enter
specific times. The selected period applies to each day that you selected.
5. Click Apply to save your settings.
6. Repeat these steps for all computers that you want to block.
To stop blocking a computer:
• To stop blocking a computer, select it from the MAC Filter List field, and then clear its
Enable check box. This leaves the computer in the list but ensures that it is not
blocked.
• To remove a computer from the list, select it from the MAC Filter List field, and then
click Delete.

Port Blocking

You can use port blocking to block outbound traffic on specific ports. Outbound traffic rules
control access to outside resources from local users.The default rule is to allow all access
from the LAN side to the outside. You can use port blocking to add predefined or custom rules
to specify exceptions to the default rule.
NETGEAR Wireless Cable Gateway CG3100Dv3
Advanced Settings
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