User's Manual

Security
61
N600 Wireless Dual Band Router WNDR3400v3
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 schedule.
1. Select Adv
anced > Sec
urity > Block Sites to display the following screen:
2. Select one of the keyword blocking options:
• Per Schedule. T
urn on keyword blocking according to the Schedule screen settings.
• Always. Turn o
n keyword blocking all the time, independent of the Schedule screen.
3. In the keyword field, enter a ke
yword 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 su
ffixes such as .edu or .gov.
• Enter a perio
d (.) to block all Internet browsing access.
 To delete a keyword or domain:
1. Select the keyword you want to delete from the list.
2. Click Delete Key
word and Apply to save your changes.
 To specify a trusted computer:
You can exempt one trusted computer from blocking and logging. Th
e computer you exempt
must have a fixed IP address.
1. I
n the Trusted IP Address field, enter the IP address.
2. Click Apply to save
your changes.
Block Services (Port Filtering)
Services are functions performed by server computers at the request of client computers. For
example, web servers serve web pages, time servers serve time and date information, and