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WebSTAR DPR2320 and EPR2320 Gateway Cable Modems User’s Guide
58
Keyword and Domain Blocking
Keyword and Domain blocking allows you to restrict access to Internet sites by
blocking access to those sites based on a word or a text string contained in the
URLs used to access those Internet sites.
Domain blocking allows you to restrict access to Web sites based on the site’s
Domain Name. The Domain Name is the portion of the URL that precedes the
familiar .COM, .ORG, or .GOV extension.
Keyword blocking allows you to block access to Internet sites based on a
Keyword or text string being present anywhere in the URL, not just in the Domain
Name.
Follow these steps to use either the Keyword or Domain Blocking feature.
1. Select Enable on the Setup Firewall - Web Filters page for the feature or
features you want to use, then click Apply to activate the feature.
2. Enter the Domain Name, Keyword, text string, or URL to which you wish to
restrict access into either the Keyword List or the Domain List field.
The entries must be an exact match in order to be filtered or blocked.
3. Click either Add Keyword or Add Domain as necessary to add the entry to
the list.
4. Repeat steps 1 through 3 for each Domain or Keyword you wish to enter.
Once entered, each new entry will immediately be blocked for all users not listed
in the “Trusted Computers” field in the lower portion of the Setup Firewall – Web
Filters page.
The Domain blocking feature blocks access to any Domain in the Domain
List. It will also block Domains, any portion of which contains an exact match to
entries in the list.
For example, if you enter example.com as a Domain, any site that contains
“example.com” will be blocked. Generally, you do not want to include “www.” in a
Domain Name since doing so limits the blocking to only the site that matches that
Domain Name exactly. For instance, if you enter www.example.com into the list,
only the one site that matches that name exactly will be blocked. Consequently, if
you do not include the “www.,” then all sites within and associated with
“example.com” will be blocked.
Trusted Computers
Use the Trusted Computers field to specify the MAC address of computers
whose content will always be trusted and allowed unrestricted access to the
Internet.