Updated Date: 07/07/2026
About HTTP Headers
An HTTP Headers action supports modifying an outgoing HTTP request to a back-end server. The action supports manipulation of HTTP and cookie headers being sent to back-end servers.
Important: The HTTP Headers item cannot manipulate HTTP cookies in outgoing HTTP requests to any portal access application.
The HTTP Headers item provides these configuration options and elements.
An entry in the HTTP Header Modify table includes these elements.
- Header Operation
- Specifies insert, append, replace, or remove.
- Header Name
- Specifies the header name on which to operate.
- Header Value
- Specifies the value on which to operate.
Note: Any per-flow or session variable can be used as a header value, for example, %{session.user.clientip} or %{perflow.session.id}.
- Header Delimiter
- Specifies the separator to use when appending a header.
An entry in the HTTP Cookie Modify table includes these elements.
- Cookie Operation
- Specifies update or delete.
Note: When update is selected and a cookie that matches the name and value does not exist, HTTP Header adds the specified cookie.
- Cookie Name
- Specifies the name to match.
- Cookie Value
- Specifies the value to match when deleting a cookie or the new value to set when updating a cookie.
Note: Any per-flow or session variable can be used as a cookie value.