Blue Coat Systems Proxy SG manual Deletematching

ProxySG Content Policy Language Guide

delete_matching( )

Deletes all components of the specified header that contain a substring matching a regular-expression pattern.

Note: An error results if two header modification actions modify the same header. The error is noted at compile time if the conflicting actions are within the same action definition block. A runtime error is recorded in the event log if the conflicting actions are defined in different blocks.

Syntax

delete_matching(header, regex_pattern)

where:

•header—A header specified using the following form. For a list of recognized headers, see Appendix C.

❐request.header.header_name— Identifies a recognized HTTP request header.

❐response.header.header_name—Identifies a recognized HTTP response header.

❐request.x_header.header_name—Identifies any request header, including custom headers.

❐response.x_header.header_name—Identifies any response header, including custom headers.

•regex_pattern—A quoted regular-expression pattern. For more information, refer to Appendix E, “Using Regular Expressions,” in the Blue Coat ProxySG Configuration and Management Guide.

Layer and Transaction Notes

Do not use in <Exception>, <Forward>, or <Admin> layers.

See Also

•Actions: append( ), delete( ), rewrite(header, regex_pattern, replacement_component), set(header, string)

•Conditions: request.header.header_name=, request.header.header_name.address=, request.x_header.header_name=, request.x_header.header_name.address=, response.header.header_name=, response.x_header.header_name=

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