HTTP:header_replace2(header_name, new-value, countid)

This function allows you to replace the value of a certain header of a given name by referencing its unique position using the countid. The countid is an integer that specifies the header's serial number, typically obtained from HTTP:header_get_values()

Syntax

HTTP:header_replace2(header_name, new-value, countid);

Arguments

Name	Description
Header_name	A string which specifies the header name.
new-value	The new string value for the specified header.
Countid	The 1-based index specifying which occurrence of the header to replace.

Events

Applicable in the following events:

• BEFORE_AUTH

• HTTP_REQUEST

• HTTP_RESPONSE

• WAF_REQUEST_ATTACK_DETECTED

• WAF_REQUEST_BEFORE_SCAN

• WAF_RESPONSE_ATTACK_DETECTED

• WAF_RESPONSE_BEFORE_SCAN

Example

when HTTP_REQUEST {debug("============begin scripting.\n")
    -- Replace the specified occurence of header name "HeaderTest"
    -- Both header name and value are plain strings, not regex
    count = 1
    ret = HTTP:header_replace2("HeaderTest", "New-Header-Value", count)
    if ret then
        debug("------> Header replaced successfully.\n");
    else
	 debug("------> Header failed to replace.\n");
    end
	 debug("============end scripting.\n")
}

Supported Version

FortiADC version 4.8.x and later.