General Content Filter Commands - ZyXEL Communications UAG Series Reference Manual

Unified access gateway
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Table 131 Content Filter Command Input Values (continued)
LABEL
forbid_hosts
keyword
message
redirect_url
license
service_timeout
_timeout
url
rating_server
query_timeout

43.5 General Content Filter Commands

The following table lists the commands that you can use for general content filter configuration such
as enabling content filtering, viewing and ordering your list of content filtering policies, creating a
denial of access message or specifying a redirect URL and checking your external web filtering
service registration status. Use the
UAG CLI Reference Guide
DESCRIPTION
The IP address or domain name of a forbidden web site.
Use a host name such as www.bad-site.com into this text field. Do not use the
complete URL of the site – that is, do not include "http://". All subdomains are also
blocked. For example, entering "bad-site.com" also blocks "www.bad-site.com",
"partner.bad-site.com", "press.bad-site.com", etc. Use up to 63 case-insensitive
characters (0-9a-z-).
You can enter a single IP address in dotted decimal notation like 192.168.2.5.
You can enter a subnet by entering an IP address in dotted decimal notation followed by
a slash and the bit number of the subnet mask of an IP address. The range is 0 to 32.
To find the bit number, convert the subnet mask to binary and add all of the 1's
together. Take "255.255.255.0" for example. 255 converts to eight 1's in binary. There
are three 255's, so add three eights together and you get the bit number (24).
An example is 192.168.2.1/24
You can enter an IP address range by entering the start and end IP addresses
separated by a hyphen, for example 192.168.2.5-192.168.2.23.
A keyword or a numerical IP address to search URLs for and block access to if they
contain it. Use up to 63 case-insensitive characters (0-9a-zA-Z;/?:@&=+$\.-_!~*'()%,)
in double quotes. For example enter "Bad_Site" to block access to any web page that
includes the exact phrase "Bad_Site". This does not block access to web pages that only
include part of the phrase (such as "Bad" in this example).
The message to display when a web site is blocked. Use up to 255 characters (0-9a-zA-
Z;/?:@&=+$\.-_!~*'()%,) in quotes. For example, "Access to this web page is not
allowed. Please contact the network administrator."
The URL of the web page to which you want to send users when their web access is
blocked by content filtering. The web page you specify here opens in a new frame
below the denied access message.
Use "http://" followed by up to 255 characters (0-9a-zA-Z;/?:@&=+$\.-_!~*'()%) in
quotes. For example, "http://192.168.1.17/blocked access".
The license key (up to 15 characters) for the external web filtering service.
The value specifies the maximum querying time in seconds <1...60>
The value specifies the maximum life time in hours <1..720>.
The URL of a web site in http://xxx.xxx.xxx format.
The hostname or IP address of the rating server.
The value specifies the maximum querying time when testing the connection to an
external content filtering server or checking its rating for a URL. <1..60> seconds.
configure terminal
Chapter 43 Content Filtering
command to enter the configuration
215

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