ADC Advanced Policy Expressions


Operates on HTTP Request.

This topic lists the expressions that are provided by this class.

BODY (uint i)

Operate as Text on the HTTP response body. The length of the body is equal to the number in the argument. If there aren't enough characters in the body then the entire body is selected.


            i- Body length

Returns: text_t


    Returns the HTTP Cache-Control object.

Returns: http_cache_control_t


    Returns the length of the HTTP request as a number.

Returns: http_content_length_t


    (Name/Value List) Returns the contents of the HTTP Cookie header as a name/value list.

Returns: http_cookie_t


    Returns the CS vserver serving the current request.

Returns: vserver_t

  • DATE

    Returns the contents of the HTTP Date header as text or as a date object.The date formats recognized are: RFC822. Sun, 06 Jan 1980 08:49:37 GMT RFC850. Sunday, 06-Jan-80 9:49:37 GMT ASCTIME. Sun Jan 6 08:49:37 1980

Returns: http_date_t


    Returns the entire request header (including the terminating \r\n\r\n)

Returns: text_t

HEADER (text_t header_name)

Returns the contents of the HTTP header specified by the String argument. The header name cannot be longer than 32 characters.

Parameters (expressions not allowed):

            header_name- Header Name

Returns: http_header_t


    Obtain the HTTP Host Name object from this request. If the target hostname is present in the first line of the request then that is selected. Otherwise the value in the last occurrence of the HOST header is selected. Sets the text mode to case insensitive.

Returns: http_hostname_t


    Returns TRUE if request is part of NTLM or NEGOTIATE connection

Returns: bool_at


    Returns TRUE if the HTTP request is properly formed.

Returns: bool_at


    Returns the LB vserver serving the current request.

Returns: vserver_t


    Returns the HTTP method.

Returns: http_method_t


    Returns the HTTP body tracking mechanism.

Returns: http_tracking_e

  • TXID

    Returns the HTTP Transaction ID. The value is a function of an internal transaction number, system boot time and system mac address. HTTP.REQ.TXID is same as HTTP.RES.TXID.

Returns: text_t

  • URL

    Obtain the HTTP URL object from the request. The Text object backing the HTTP URL object has the Text Mode set to URLENCODED by default.

Returns: http_url_t

  • USER

    Returns the AAA User associated with the current HTTP transaction.

Returns: aaa_user_t


    Returns the HTTP version.

Returns: http_version_t


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