ZyXEL Communications wireless n gigbit router zyxel User Manual

Chapter 14 Content Filtering

NBG-460N User’s Guide

Cookies

Used by Web servers to track usage and provide service based on ID. 

Web Proxy

A server that acts as an intermediary between a user and the Internet 
to provide security, administrative control, and caching service. When 
a proxy server is located on the WAN it is possible for LAN users to 
circumvent content filtering by pointing to this proxy server. 

Keyword Blocking
Enable URL 
Keyword 
Blocking

The NBG-460N can block Web sites with URLs that contain certain 
keywords in the domain name or IP address. For example, if the 
keyword "bad" was enabled, all sites containing this keyword in the 
domain name or IP address will be blocked, e.g., URL http://
www.website.com/bad.html would be blocked. Select this check box to 
enable this feature.

Keyword

Type a keyword in this field. You may use any character (up to 64 
characters). Wildcards are not allowed. You can also enter a numerical 
IP address.

Keyword List

This list displays the keywords already added. 

Add 

Click Add after you have typed a keyword. 

Repeat this procedure to add other keywords. Up to 64 keywords are 
allowed.

When you try to access a web page containing a keyword, you will get 
a message telling you that the content filter is blocking this request.

Delete

Highlight a keyword in the lower box and click Delete to remove it. 
The keyword disappears from the text box after you click Apply.

Clear All

Click this button to remove all of the listed keywords.

Denied Access 
Message

Enter a message to be displayed when a user tries to access a 
restricted web site. The default message is “Please contact your 
network administrator!!”

Apply

Click Apply to save your changes.

Reset

Click Reset to begin configuring this screen afresh

Table 65   Security > Content Filter > Filter