Netgear SRXN3205 SRXN3205 Reference Manual - Page 92

Setting Block Sites (Content Filtering), Web Components blocking, Keyword Blocking

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ProSafe Wireless-N VPN Firewall SRXN3205 Reference Manual Setting Block Sites (Content Filtering) To restrict internal LAN users from access to certain sites on the Internet, you can use the VPN firewall's Content Filtering and Web Components filtering. By default, these features are disabled; all requested traffic from any Web site is allowed. If you enable one or more of these features and users try to access a blocked site, they will see a "Blocked by NETGEAR" message. Several types of blocking are available: • Web Components blocking. You can block the following Web component types: Proxy, Java, ActiveX, and Cookies. Even sites on the Trusted Domains list will be subject to Web Components blocking when the blocking of a particular Web component is enabled. • Keyword Blocking (Domain Name Blocking). You can specify up to 32 words to block. If any of these words appear in the Web site name (URL) or in a newsgroup name, the web site or newsgroup will be blocked by the VPN firewall. You can apply the keywords to one or more groups. Requests from the PCs in the groups will be blocked where keyword blocking has been enabled. Blocking does not occur for the PCs in the groups where keyword blocking has been disabled. You can bypass Keyword blocking for trusted domains by adding the exact matching domain to the list of Trusted Domains. Access to the domains or keywords on this list by PCs in the groups where keyword blocking has been enabled, will be allowed to pass without any blocking. Keyword application examples: • If the keyword "XXX" is specified, the URL is blocked, as is the newsgroup alt.pictures.XXX. • If the keyword ".com" is specified, only Web sites with other domain suffixes (such as .edu or .gov) can be viewed. • If you wish to block all Internet browsing access, enter the keyword ".". To enable Content Filtering: 1. Select Security > Block Sites from the main/submenu and the Block Sites screen is displayed. 5-18 Firewall Security and Content Filtering v1.0, October 2008

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ProSafe Wireless-N VPN Firewall SRXN3205 Reference Manual
5-18
Firewall Security and Content Filtering
v1.0, October 2008
Setting Block Sites (Content Filtering)
To restrict internal LAN users from access to certain sites on the Internet, you can use the VPN
firewall’s Content Filtering and Web Components filtering. By default, these features are disabled;
all requested traffic from any Web site is allowed. If you enable one or more of these features and
users try to access a blocked site, they will see a “Blocked by NETGEAR” message.
Several types of blocking are available:
•
Web Components blocking
. You can block the following Web component types: Proxy, Java,
ActiveX, and Cookies. Even sites on the Trusted Domains list will be subject to Web
Components blocking when the blocking of a particular Web component is enabled.
•
Keyword Blocking
(Domain Name Blocking)
. You can specify up to 32 words to block. If
any of these words appear in the Web site name (URL) or in a newsgroup name, the web site
or newsgroup will be blocked by the VPN firewall.
You can apply the keywords to one or more groups. Requests from the PCs in the groups will
be blocked where keyword blocking has been enabled. Blocking does not occur for the PCs in
the groups where keyword blocking has been disabled.
You can bypass Keyword blocking for trusted domains by adding the exact matching domain
to the list of Trusted Domains. Access to the domains or keywords on this list by PCs in the
groups where keyword blocking has been enabled, will be allowed to pass without any
blocking.
Keyword application examples:
•
If the keyword “XXX” is specified, the URL <http://www.badstuff.com/xxx.html> is blocked,
as is the newsgroup alt.pictures.XXX.
•
If the keyword “.com” is specified, only Web sites with other domain suffixes (such as .edu or
.gov) can be viewed.
•
If you wish to block all Internet browsing access, enter the keyword “.”.
To enable Content Filtering:
1.
Select
Security >
Block Sites
from the main/submenu and the
Block Sites
screen is displayed.