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11-28
Cisco ASA Series Firewall ASDM Configuration Guide
Chapter 11 Configuring Inspection of Basic Internet Protocols
HTTP Inspection
• Edit—Edits an HTTP class map.
• Delete—Deletes an HTTP class map.
Add/Edit HTTP Match Criterion
The Add/Edit HTTP Match Criterion dialog box is accessible as follows:
Configuration > Global Objects > Class Maps > HTTP > Add/Edit HTTP Traffic Class Map >
Add/Edit HTTP Match Criterion
The Add/Edit HTTP Match Criterion dialog box lets you define the match criterion and value for the
HTTP class map.
Fields
• Match Type—Specifies whether the class map includes traffic that matches the criterion, or traffic
that does not match the criterion.
For example, if No Match is selected on the string “example.com,” then any traffic that contains
“example.com” is excluded from the class map.
• Criterion—Specifies which criterion of HTTP traffic to match.
–
Request/Response Content Type Mismatch—Specifies that the content type in the response
must match one of the MIME types in the accept field of the request.
–
Request Arguments—Applies the regular expression match to the arguments of the request.
Regular Expression—Lists the defined regular expressions to match.
Manage—Opens the Manage Regular Expressions dialog box, which lets you configure regular
expressions.
Regular Expression Class—Lists the defined regular expression classes to match.
Manage—Opens the Manage Regular Expression Class dialog box, which lets you configure
regular expression class maps.
–
Request Body Length—Applies the regular expression match to the body of the request with
field length greater than the bytes specified.
Greater Than Length—Enter a field length value in bytes that request field lengths will be
matched against.
–
Request Body—Applies the regular expression match to the body of the request.
Regular Expression—Lists the defined regular expressions to match.
Manage—Opens the Manage Regular Expressions dialog box, which lets you configure regular
expressions.
Regular Expression Class—Lists the defined regular expression classes to match.
Manage—Opens the Manage Regular Expression Class dialog box, which lets you configure
regular expression class maps.
–
Request Header Field Count—Applies the regular expression match to the header of the request
with a maximum number of header fields.
Predefined—Specifies the request header fields: accept, accept-charset, accept-encoding,
accept-language, allow, authorization, cache-control, connection, content-encoding,
content-language, content-length, content-location, content-md5, content-range, content-type,