Citrix Systems Network Router 9.2 User Manual
iv
Citrix NetScaler Policy Configuration and Reference Guide
Feature-Specific Differences in Policy Bindings . . . . . . . . . . . . . . . . . . . . . . . .16
Bind Points and Order of Evaluation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Advanced Policy Evaluation Across Features . . . . . . . . . . . . . . . . . . . . . . . . . .19
Entries in a Policy Bank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Evaluation Order Within a Policy Bank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
How Policy Evaluation Ends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
How Features Use Actions After Policy Evaluation . . . . . . . . . . . . . . . . . . . . .22
Binding a Policy Globally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Binding a Policy to a Virtual Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Displaying Policy Bindings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Bind Points and Order of Evaluation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Advanced Policy Evaluation Across Features . . . . . . . . . . . . . . . . . . . . . . . . . .19
Entries in a Policy Bank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Evaluation Order Within a Policy Bank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
How Policy Evaluation Ends . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21
How Features Use Actions After Policy Evaluation . . . . . . . . . . . . . . . . . . . . .22
Binding a Policy Globally . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22
Binding a Policy to a Virtual Server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24
Displaying Policy Bindings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Unbinding an Advanced Policy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25
Creating Policy Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Creating Policy Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Creating a Policy Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .27
Binding a Policy to a Policy Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Binding a Policy to a Policy Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Configuring a Policy Label . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30
Configuring a Policy Bank for a Virtual Server . . . . . . . . . . . . . . . . . . . . . . . . .32
Configuring a Policy Bank for a Virtual Server . . . . . . . . . . . . . . . . . . . . . . . . .32
Invoking or Removing a Policy Label or Virtual Server Policy Bank . . . . . . . . . .33
Configuring and Binding Policies with the Policy Manager . . . . . . . . . . . . . . . . . .35
Configuring and Binding Policies with the Policy Manager . . . . . . . . . . . . . . . . . .35
Prefixes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .41
Single-Element Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Basic Operations on Expression Prefixes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Single-Element Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43
Basic Operations on Expression Prefixes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44
Booleans in Compound Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Parentheses in Compound Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Compound Operations for Strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Compound Operations for Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Parentheses in Compound Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Compound Operations for Strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Compound Operations for Numbers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .48
Classic Expressions in Advanced Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Configuring Advanced Expressions in a Policy. . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Configuring Named Advanced Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Configuring Advanced Expressions Outside the Context of a Policy. . . . . . . . . . .61
Configuring Advanced Expressions in a Policy. . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Configuring Named Advanced Expressions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Configuring Advanced Expressions Outside the Context of a Policy. . . . . . . . . . .61