Citrix Systems 9.2 Benutzerhandbuch

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Citrix NetScaler Policy Configuration and Reference Guide
3.
In the Create Policy Expression dialog box, in the Expression Name 
field, enter a name for your new expression.
You must begin a policy name with a letter or underscore. A policy name 
can consist of 1 to 127 characters, including letters, numbers, hyphen (-), 
period (.), pound sign (#), space ( ), and underscore (_). 
4.
In the Create Policy Expression dialog box, in the Client Security 
Message
 dialog box, type an error message. 
This field is optional; you can leave it blank. This error message is used for 
Client Security based expressions in the Access Gateway. This setting 
delivers custom error messages to VPN users through a client when a client 
security check fails. For all other features, this error message is ignored.
5.
In the Description field, type the purpose of this expression.
6.
Create the expression.
You can choose inputs to this expression from the Named 
Expressions
 list boxes.
You can create a new expression, as described in 
7.
When you are done, click Close.
If you have created a new expression, scroll to the bottom of the 
Expressions list to see it.