modify_incoming_request_header

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Version: `v2025-07-07`	Includes use: Yes

Behavior name: Modify Incoming Request Header

Modify, add, remove, or pass along specific request headers coming upstream from the client.

Related behaviors:

Default behavior

These samples reflect the behavior's default settings. You can use these as is in your configurations or make adjustments based on the behavior's available options.

data "akamai_property_rules_builder" "modify_incoming_request_header" {
  rules_v2025_07_07 {
    name     = "Modify Incoming Request Header"
    comments = "Modifies, adds, removes, or passes along specific request headers coming upstream from the client."
    behavior {
      modify_incoming_request_header {
        action                   = "ADD"
        standard_add_header_name = "ACCEPT_ENCODING"
        header_value             = ""
      }
    }
  }
}

"behaviors": [
  {
    "name": "modifyIncomingRequestHeader",
    "options": {
      "action": "ADD",
      "standardAddHeadername": "ACCEPT_ENCODING",
      "headerValue": ""
    }
  }
]

Options

Option	Description
`action`	Enum The action to take on incoming HTTP request headers. Value is one of: `ADD`. Add the header. `DELETE`. Delete the header. `MODIFY`. Modify the header. `PASS`. Pass through the header.
`standard_add_header_name`	Enum \| Requires: `action` is `ADD` Specifies the name of the field to add. Value is one of: `ACCEPT_ENCODING`. Add an `Accept-Encoding` header. `ACCEPT_LANGUAGE`. Add an `Accept-Language` header. `OTHER`. Specify another header to add.
`standard_delete_header_name`	Enum \| Requires: `action` is `DELETE` Specifies the name of the field to remove. Value is one of: `IF_MODIFIED_SINCE`. The `If-Modified-Since` header. `VIA`. The `Via` header. `OTHER`. Specify another header to remove.
`standard_modify_header_name`	Enum \| Requires: `action` is `MODIFY` Specifies the name of the field to modify. Value is one of: `ACCEPT_ENCODING`. Add an `Accept-Encoding` header. `ACCEPT_LANGUAGE`. Add an `Accept-Language` header. `OTHER`. Specify another header to add.
`standard_pass_header_name`	Enum \| Requires: `action` is `PASS` Specifies the name of the field to pass through. Value is one of: `ACCEPT_ENCODING`. Add an `Accept-Encoding` header. `ACCEPT_LANGUAGE`. Add an `Accept-Language` header. `OTHER`. Specify another header to add.
`custom_header_name`	String \| Requires Requires one of these is set to `OTHER`: `standard_add_header_name` `standard_delete_header_name` `standard_modify_header_name` `standard_pass_header_name` Specifies a custom field name.
`header_value`	String \| Requires: `action` is `ADD` Specifies the new header value.
`new_header_value`	String \| Requires: `action` is `MODIFY` Supplies an HTTP header replacement value
`avoid_duplicate_headers`	Boolean \| Requires: `action` is `MODIFY` Prevents creation of more than one instance of a header.

Updated 3 months ago