Citrix ADC 13.0 Advanced Policy Expression Reference

The list of expressions that can be used to define advanced policies on the Citrix ADC appliance.

The following table lists the prefixes using which you must start creating an expression:

Starting Prefixes	Description
AAA	Denotes the AAA context of the current transaction.
ANALYTICS	Provides access to analytics information and operations.
CLIENT	Designates an expression that refers to the client. This is the starting point for access into parameters such as Ether and SSL.
DIAMETER	Models the DIAMETER message.
DNS	Models the DNS message.
HTTP	Models the HTTP message.
URL	URL provides operations for parsing and operating on the URL. The supported format is [<protocol>://<hostname>]<path>[?<query>]. The Text object backing a HTTP URL object has the Text Mode set to URLENCODED by default.
ICA	Models the ICA protocol.
ICAP	Models the ICAP message.
MSSQL	Models the MSSQL protocol.
MYSQL	Models the MYSQL protocol.
ORACLE	Models the ORACLE protocol.
CONNECTION	Designates an expression that refers to network packet irrespective of flow
RADIUS	Models the RADIUS message.
SERVER	Designates an expression that refers to the server. This is the starting point for access into parameters such as Ether and SSL.
SIP	Models the SIP protocol.
SMPP	Models the SMPP protocol.
SUBSCRIBER	Models the Subscriber database attributes.
SYS	Designates an expression that refers to the NetScaler, rather than the client or server.
EXTEND(uint i, uint j)	Extends the target area around the matched pattern.
TARGET	Refers to the matched pattern.
TEXT	Operates on selected text.