188 Citrix NetScaler Policy Configuration and Reference Guide

Configuring an HTTP Callout Policy

You configure an HTTP callout policy by using the AppExpert feature. You invoke this policy by specifying the SYS.HTTP_CALLOUT expression prefix in an advanced expression. For details on invocation, see “Invoking an HTTP Callout Policy,” on page 193.

The following table describes the elements in an HTTP callout policy.

Elements in an HTTP Callout Policy

Parameter

Specifies

 

 

Name

Name of the callout, 127 characters maximum.

(name)

 

IP address and port

IPv4 or IPv6 address of the server to which the callout is sent, or a

(ipAddress*

wildcard, and the port on the server to which the callout is sent, or

a wildcard.

port*)

Or, the name of a load balancing, content switching, or cache

or

redirection virtual server with a service type of HTTP.

Virtual server name

 

(vserver)

 

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Citrix Systems 9.2 manual Configuring an Http Callout Policy, Elements in an Http Callout Policy, Parameter Specifies