User's Guide

TD851W 150Mbps Wireless N ADSL2+ Modem Router User Guide
¾ SPort: Tf the protocol is “TCP” or “UDP”, you should set the source port of the entry. It can be
a single port or a port range.
¾ Dport: TI the protocol is “TCP” or “UDP”, you should set the destination port of the entry. It
can be a single port or a port range.
¾ Enable: Choose to enable or disable this filter entry.
¾ Current Filter table: It shows the current filter rules. You can enable or disable or delete the
filter entry.
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Note:
After configuration, you need to click the Save button appeared on the left panel so that your
configuration can still take effect after the Router reboots.
4.5.3 URL Filter
Choose “Firewall→URL Filter” menu, and you will see the next screen (shown in Figure 4-45).
Here you can specify which site can’t be accessed based on URL to secure or restrict your local
network.
Figure 4-45
¾ URL Blocking Capability: Enable or disable the URL filtering function. If it is enabled, the
access to the site which matches the keyword will be blocked by the router; if it is disabled,
nothing will be done.
¾ Keyword: The keyword of the site you want to block.
¾ URL Blocking Table: It shows the current URL filtering entry. You can delete the selected
entry.
For example: If you want to forbid the user to access the website including “yahoo.com”.
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