Chapter 22 Content Filtering
ZyWALL (ZLD) CLI Reference Guide
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trust_hosts
The IP address or domain name of a trusted web site. Use a host name such
as www.good-site.com. Do not use the complete URL of the site – that is, do
not include “http://”. All subdomains are allowed. For example, entering
“zyxel.com” also allows “www.zyxel.com”, “partner.zyxel.com”,
“press.zyxel.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.
forbid_hosts
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.
keyword
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;/
?:@&=+$\.-_!~*'()%,) in double quotes. For example enter “Bad_Site” to block
access to any web page that includes the exact phrase “Bad_Site”. This does
not block access to web pages that only include part of the phrase (such as
“Bad” in this example).
message
The message to display when a web site is blocked. Use up to 255 characters
(0-9a-zA-Z;/?:@&=+$\.-_!~*'()%,) in quotes. For example, “Access to this web
page is not allowed. Please contact the network administrator.”
redirect_url
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”.
license
The license key (up to 15 characters) for the external web filtering service.
service_timeout
The value specifies the maximum querying time in seconds <1…60>
_timeout
The value specifies the maximum life time in hours <1..720>.
url
The URL of a web site.
Table 108
Content Filter Command Input Values (continued)
LABEL
DESCRIPTION
Содержание ZyWall
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Страница 135: ...135 PART IV VPN IPSec VPN 137 SSL VPN 147 L2TP VPN 153 ...
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Страница 175: ...175 PART VI Anti X Anti Virus 177 IDP Commands 185 Content Filtering 203 Anti Spam 215 ...
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Страница 248: ...Chapter 26 Addresses ZyWALL ZLD CLI Reference Guide 248 ...
Страница 252: ...Chapter 27 Services ZyWALL ZLD CLI Reference Guide 252 ...
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Страница 266: ...Chapter 30 Authentication Objects ZyWALL ZLD CLI Reference Guide 266 ...
Страница 272: ...Chapter 31 Certificates ZyWALL ZLD CLI Reference Guide 272 ...
Страница 276: ...Chapter 32 ISP Accounts ZyWALL ZLD CLI Reference Guide 276 ...
Страница 280: ...Chapter 33 SSL Application ZyWALL ZLD CLI Reference Guide 280 ...
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