To apply the policies described above, write the following content policy language (CPL):
define subnet Demo
client.address=Demo url.regex="youtube" deny
client.address=203.0.113.0-188.8.131.52 virus_detected=yes deny
For more information, refer to the Visual Policy Manager and Advanced Policy Tasks Reference.
You can specify IP address ranges in RDNS restrictions and in subnet definitions (as shown in the CPL above). For more information, refer to "restrict rdns" and "define subnet" in the Content Policy Language Reference.