User's Manual

48 | Chapter 4. Security Settings
N600 Wireless Dual Band Gigabit ADSL2+ Modem Router DGND3700 User Manual
Keyword Blocking of HTTP Traffic
Use keyword blocking to prevent certain types of HTTP traffic from accessing your network.
The blocking can be always or according to a scheduled.
1. Select Content Filtering > Block Sites.
Figure 21. Block Sites screen
.
2. Select one of the keyword blocking options:
• Per Schedule. Turn on keyword blocking according to the Schedule screen settings.
• Always. Turn on keyword blocking all the time, independent of the Schedule screen.
3. In the Keyword field, enter a keyword or domain, click Add Keyword, and click Apply.
The Keyword list. supports up to 32 entries. Here are some sample entries:
• Specify XXX to block http://www.badstuff.com/xxx.html
• Specify .com if you want to allow only sites with domain suffixes such as .edu or .gov
• Enter a period (.) to block all Internet browsing access
Delete Keyword or Domain
1. Select the keyword you want to delete from the list.
2. Click Delete Keyword and click Apply to save your changes.
Specify Trusted Computer
You can exempt one trusted computer from blocking and logging. The computer you exempt
must have a fixed IP address.
1. In the Trusted IP Address field, enter the IP address.
2. Click Apply to save your changes.