user manual

37-17
Cisco Router and Security Device Manager 2.5 User’s Guide
OL-4015-12
Chapter 37 Cisco Common Classification Policy Language
Class Maps
Regular Expressions
Click this box to specify regular expressions to be matched against. Choose an
existing regular expression class map, or create a new one that will match the
strings you are inspecting for. See Add or Edit Regular Expression for more
information on how to create regular expressions. To examine an existing map
without leaving this dialog, choose it in the Select an existing map list, and click
View.
Sample Use Case
Configure an HTTP class map to block a request whose URI matches any of the
following regular expressions:
“.*cmd.exe”
“.*sex”
“.*gambling”
Response Header
Enter the criteria for HTTP response headers that you want to include in the class
map.
Length Greater Than
Click this box to specify a global response header length that a packet should not
exceed, and enter the number of bytes.
Count Greater Than
Click this box to specify a limit to the total number of response header fields that
a packet should not exceed, and enter the number of fields.
Regular Expressions
Click this box to specify regular expressions to be matched against. Choose an
existing regular expression class map, or create a new one that will match the
strings you are inspecting for. See Add or Edit Regular Expression for more