Citrix Systems 9.2 manual Citrix NetScaler Policy Configuration and Reference Guide

x Citrix NetScaler Policy Configuration and Reference Guide

•Chapter 3, “Configuring Advanced Expressions: Getting Started.” Describes expression syntax and semantics, and briefly introduces how to configure expressions and policies.

•Chapter 4, “Advanced Expressions: Evaluating Text.” Describes expressions that you configure when you want to operate on text (for example, the body of an HTTP POST request or the contents of a user certificate).

•Chapter 5, “Advanced Expressions: Working with Dates, Times, and Numbers.” Describes expressions that you configure when you want to operate on any type of numeric data (for example, the length of a URL, a client's IP address, or the date and time that an HTTP request was sent).

•Chapter 6, “Advanced Expressions: Parsing HTTP, TCP, and UDP Data.” Describes expressions for parsing IP and IPv6 addresses, MAC addresses, and data that is specific to HTTP and TCP traffic.

•Chapter 7, “Advanced Expressions: Parsing SSL Certificates.” Describes how to configure expressions for SSL traffic and client certificates, for example, how to retrieve the expiration date of a certificate or the certificate issuer.

•Chapter 8, “Advanced Expressions: IP and MAC Addresses, Throughput, VLAN IDs.” Describes expressions that you can use to work with any other client- or server-related data not discussed in other chapters.

•Chapter 9, “Advanced Expressions: String Sets, String Patterns, and Data Formats.” Describes expressions that you can use to parse structured text and convert it into different formats.

•Chapter 10, “Advanced Policies: Controlling the Rate of Traffic.” Describes policies that you can configure to control the flow of traffic to different destinations, primarily for the purpose of throttling excessive traffic.

•Chapter 11, “Advanced Policies: Sending HTTP Service Callouts to Applications.” Describes expressions that you can use to send HTTP requests to external applications.

•Chapter 12, “Configuring Classic Policies and Expressions.” Provides details on how to configure the simpler policies and expressions known as classic policies and classic expressions.

•Appendix A, “Expressions Reference.” A reference for classic and advanced expression arguments.

•Appendix B, “Summary Examples of Advanced Expressions and Policies.” Examples of classic and advanced expressions and policies, in both quick reference and tutorial format, that you can customize for your own use.