210 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 “To configure an
expression in a classic policy using the configuration utility,” on page
204,
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.