ZyXEL Communications 3.1 User Manual

 Chapter 23 Content Filtering

ZyWALL (ZLD) CLI Reference Guide

The following table lists the commands that you can use to configure a content filtering policy. A 
content filtering policy defines which content filter profile should be applied, when it should be 
applied, and to whose web access it should be applied. Use the 

configure terminal

 command 

to enter the configuration mode to be able to use these commands. See 

 for 

details about the values you can input with these commands. 

[no] {ipv4 | ipv4_cidr | ipv4_range | 

wildcard_domainname | tld}

Adds or removes a common trusted or forbidden web site entry. 

: IPv4 address <W.X.Y.Z>

: IPv4 subnet in CIDR format, i.e. 192.168.1.0/32

<W.X.Y.Z>/<1..32>

: Range of IPv4 addresses. <W.X.Y.Z>-<W.X.Y.Z>

: wildcard domain name, i.e. zyxel*.co*

(([*a-z0-9\-]){1,63}\.)+([*a-z0-9\-]){1,63}

: top level domain.

exit

Leaves the sub-command mode.

show content-filter passed warning

Displays the ZyWALL’s record of sessions for which it has given 
the user a warning before allowing access.

show content-filter policy

Displays the content filtering policies.

show content-filter settings

Displays the general content filtering settings.

show content-filter common-list {trust|forbid}

Displays the common list of trusted or forbidden web sites. 

content-filter General Commands (continued)

content-filter Filtering Profile Commands Summary

[no] content-filter license license

Sets the license key for the external web filtering service. 
The 

no

 command clears the setting.

[no] content-filter profile filtering_profile

Creates a content filtering profile. The 

no

 command 

removes the profile.

[no] content-filter profile filtering_profile custom

Sets a content filtering profile to use a profile’s custom 
settings (lists of trusted web sites and forbidden web sites 
and blocking of certain web features). The 

no

 command 

has the profile not use the custom settings. 

[no] content-filter profile filtering_profile custom 

activex

Sets a content filtering profile to block ActiveX controls. 
The 

no

 command sets the profile to allow ActiveX.

[no] content-filter profile filtering_profile custom 

cookie

Sets a content filtering profile to block Cookies. The 

no

 

command sets the profile to allow Cookies.

content-filter profile filtering_profile custom-list 

forbid

Enters the sub-command for configuring the content 
filtering profile’s list of forbidden hosts.

[no] forbid_hosts

Adds a forbidden host to the content filtering profile’s list. 
The no command removes it.

exit

Leaves the sub-command mode.

[no] content-filter profile filtering_profile custom 

java

Sets a content filtering profile to block Java. The 

no

 

command sets the profile to allow Java.