Policies and expressions
The following topics provide the conceptual and reference information that you require for configuring advanced policies on the Citrix® Citrix ADC® appliance.
To know about all the advanced policy expressions supported on the Citrix ADC appliance, seePolicy Expressions.
Topic | Description |
---|---|
Introduction to Policies and Expressions | Describes the purpose of expressions, policies, and actions, and how different Citrix ADC applications make use of them. |
Configuring Advanced Policies | Describes the structure of advanced policies and how to configure them individually and as policy banks. |
Configuring Advanced Expressions: Getting Started | Describes expression syntax and semantics, and briefly introduces how to configure expressions and policies. |
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). |
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). |
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. |
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. |
Advanced Expressions: IP and MAC Addresses, Throughput, VLAN IDs | Describes expressions that you can use to work with any other client-related or server-related data not discussed in other chapters. |
Typecasting Data | Describes expressions for transforming data of one type to another. |
Regular Expressions | Describes how to pass regular expressions as arguments to operators in advanced expressions. |
Expressions Reference | A reference for advanced expression arguments. |
Summary Examples of Advanced Expressions and Policies | Examples of advanced expressions and policies, in both quick reference and tutorial format, that you can customize for your own use. |
Tutorial Examples of Advanced Policies for Rewrite | Examples of advanced policies for use in the Rewrite feature. |
Migration of Apache mod_rewrite Rules to Advanced Policies | Examples of functions that were written using the Apache HTTP Server mod_rewrite engine, with examples of these functions after translation into Rewrite and Responder policies on the Citrix ADC. |
Policies and expressions
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