Configuring Operating System Policies

When you create a session or preauthentication policy, you can configure client security strings to determine whether or not the user device is running a particular operating system when users log on. You can also configure the expression to check for a particular service pack or hotfix.

The values for Windows and Macintosh are:

To configure an operating system policy

1. In the configuration utility, in the navigation pane, do one of the following:
   1. In the configuration utility, on the Configuration tab, in the navigation pane, expand NetScaler Gateway > Policies and then click Session.
   2. In the configuration utility, on the Configuration tab, in the navigation pane, expand NetScaler Gateway > Policies > Authentication/Authorization, and then click Pre-Authentication EPA.
2. In the details pane, on the Policies tab, click Add.
3. In Name, type a name for the policy.
4. Next to Match Any Expression, click Add.
5. In the Add Expression dialog box, in Expression Type, select Client Security.
6. Configure the settings for the following:
   1. In Component, select Operating System.
   2. In Name, type the name of the operating system.
   3. In Qualifier, do one of the following:
      • Leave blank.
      • Select Service Pack.
      • Select Hotfix.
      • Select Version for Mac OS X only.
   4. Depending on your selection in Step C, in Operator, do one of the following:
      • If Qualifier is blank, in Operator, select EQUAL (= =), NOTEQUAL (!=), EXISTS or NOTEXISTS.
      • If you selected Service Pack or Hotfix, select the operator and in Value, type the value.
7. Click Create and then click Close.

If you are configuring a service pack, such as client.os (winxp).sp, if a number is not in the Value field, NetScaler Gateway returns an error message because the expression is invalid.

If the operating system has service packs present, such as Service Pack 3 and Service Pack 4, you can configure a check just for Service Pack 4, because the presence of Service Pack 4 automatically indicates that previous service packs are present.