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37-21
Cisco Router and Security Device Manager 2.5 User’s Guide
OL-4015-12
Chapter 37 Cisco Common Classification Policy Language
Class Maps
Count Greater Than
Click this box to specify a limit to the total number of fields of this type 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
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.
Other Fields in This Dialog
Depending on which HTTP header field you choose, additional fields may be
displayed in this dialog, enabling you to specify additional criteria. For example,
if you choose the content-type field, you can inspect for content type mismatches
between the request and the response, inspect for unknown content types, and
inspect for protocol violations for the particular content type. If you choose the
transfer-encoding field, you can inspect for various types of compression and
encoding.
Match Field
Check this box if you want the class map to match the field type that you chose.
Request/Response Body
The router can inspect for request/response body length and specific text strings
inside the body of the request/response.
Length
Check this box and choose Greater than (>) to specify an upper limit to the
request/response body length. Choose Less than (<) to specify a lower limit.