Chapter 22 Content Filtering
ZyWALL (ZLD) CLI Reference Guide
204
Figure 24
Content Filtering Lookup Procedure
1
A computer behind the ZyWALL tries to access a web site.
2
The ZyWALL looks up the web site in its . If an attempt to access the web site was made
in the past, a record of that web site’s category will be in the ZyWALL’s . The ZyWALL
blocks, blocks and logs or just logs the request based on your configuration.
3
Use the
Anti-X > Content Filter
screen to configure how long a web site address
remains in the as well as view those web site addresses. All of the web site address
records are also cleared from the local when the ZyWALL restarts.
4
If the ZyWALL has no record of the web site, it queries the external content filtering
database and simultaneously sends the request to the web server.
5
The external content filtering server sends the category information back to the
ZyWALL, which then blocks and/or logs access to the web site based on the settings in
the content filtering profile. The web site’s address and category are then stored in the
ZyWALL’s content filtering .
22.4 Content Filtering Reports
See the web configurator User’s Guide to see how to view content filtering reports after you
have activated the category-based content filtering subscription service.
22.5 Content Filter Command Input Values
The following table explains the values you can input with the
content-filter
commands.
Table 108
Content Filter Command Input Values
LABEL
DESCRIPTION
policy_number
The number of the policy <0 -
X
> where
X
depends on the number of content
filtering policies the ZyWALL model supports. See the CLI help for details.
address
The name (up to 63 characters) of an existing address object or group to
which the policy should be applied.
schedule
The name (up to 63 characters) of an existing schedule to control when the
policy should be applied.
filtering_profile
The filtering profile defines how to filter web URLs or content. You may use 1-
31 alphanumeric characters, underscores(
_
), or dashes (-), but the first
character cannot be a number. This value is case-sensitive.
category_number
The number of a web category <0…60>. Each number corresponds to a
category name.
category_name
Summary of Contents for ZyWall
Page 2: ......
Page 6: ...Document Conventions ZyWALL ZLD CLI Reference Guide 6 ...
Page 10: ...10 ...
Page 26: ...Chapter 1 Command Line Interface ZyWALL ZLD CLI Reference Guide 26 ...
Page 46: ...46 ...
Page 84: ...Chapter 6 Interfaces ZyWALL ZLD CLI Reference Guide 84 ...
Page 98: ...Chapter 8 Route ZyWALL ZLD CLI Reference Guide 98 ...
Page 106: ...Chapter 10 Zones ZyWALL ZLD CLI Reference Guide 106 ...
Page 110: ...Chapter 11 DDNS ZyWALL ZLD CLI Reference Guide 110 ...
Page 116: ...Chapter 12 Virtual Servers ZyWALL ZLD CLI Reference Guide 116 ...
Page 120: ...Chapter 13 HTTP Redirect ZyWALL ZLD CLI Reference Guide 120 ...
Page 124: ...Chapter 14 ALG ZyWALL ZLD CLI Reference Guide 124 ...
Page 125: ...125 PART III Firewall Firewall 127 ...
Page 126: ...126 ...
Page 134: ...Chapter 15 Firewall ZyWALL ZLD CLI Reference Guide 134 ...
Page 135: ...135 PART IV VPN IPSec VPN 137 SSL VPN 147 L2TP VPN 153 ...
Page 136: ...136 ...
Page 146: ...Chapter 16 IPSec VPN ZyWALL ZLD CLI Reference Guide 146 ...
Page 152: ...Chapter 17 SSL VPN ZyWALL ZLD CLI Reference Guide 152 ...
Page 160: ...Chapter 18 L2TP VPN ZyWALL ZLD CLI Reference Guide 160 ...
Page 161: ...161 PART V Application Patrol Application Patrol 163 ...
Page 162: ...162 ...
Page 174: ...Chapter 19 Application Patrol ZyWALL ZLD CLI Reference Guide 174 ...
Page 175: ...175 PART VI Anti X Anti Virus 177 IDP Commands 185 Content Filtering 203 Anti Spam 215 ...
Page 176: ...176 ...
Page 202: ...Chapter 21 IDP Commands ZyWALL ZLD CLI Reference Guide 202 ...
Page 214: ...Chapter 22 Content Filtering ZyWALL ZLD CLI Reference Guide 214 ...
Page 224: ...Chapter 23 Anti Spam ZyWALL ZLD CLI Reference Guide 224 ...
Page 225: ...225 PART VII Device HA Device HA 227 ...
Page 226: ...226 ...
Page 236: ...236 ...
Page 248: ...Chapter 26 Addresses ZyWALL ZLD CLI Reference Guide 248 ...
Page 252: ...Chapter 27 Services ZyWALL ZLD CLI Reference Guide 252 ...
Page 262: ...Chapter 29 AAA Server ZyWALL ZLD CLI Reference Guide 262 ...
Page 266: ...Chapter 30 Authentication Objects ZyWALL ZLD CLI Reference Guide 266 ...
Page 272: ...Chapter 31 Certificates ZyWALL ZLD CLI Reference Guide 272 ...
Page 276: ...Chapter 32 ISP Accounts ZyWALL ZLD CLI Reference Guide 276 ...
Page 280: ...Chapter 33 SSL Application ZyWALL ZLD CLI Reference Guide 280 ...
Page 288: ...Chapter 34 Endpoint Security ZyWALL ZLD CLI Reference Guide 288 ...
Page 289: ...289 PART IX System System 291 System Remote Management 299 ...
Page 290: ...290 ...
Page 298: ...Chapter 35 System ZyWALL ZLD CLI Reference Guide 298 ...
Page 314: ...314 ...
Page 332: ...Chapter 37 File Manager ZyWALL ZLD CLI Reference Guide 332 Figure 55 Startup Complete ...
Page 344: ...Chapter 39 Reports and Reboot ZyWALL ZLD CLI Reference Guide 344 ...
Page 346: ...Chapter 40 Session Timeout ZyWALL ZLD CLI Reference Guide 346 ...
Page 348: ...Chapter 41 Diagnostics ZyWALL ZLD CLI Reference Guide 348 ...
Page 362: ...Chapter 44 Watchdog Timer ZyWALL ZLD CLI Reference Guide 362 ...
Page 363: ...363 PART XI Command List List of Commands Alphabetical 365 ...
Page 364: ...364 ...
Page 394: ...List of Commands Alphabetical ZyWALL ZLD CLI Reference Guide 394 ...