You configure the expression with the OR operator to check for the preceding three applications. If NetScaler Gateway detects the correct version of any of the applications on the user device, users are allowed to log on. The expression in the policy dialog box appears as follows:
av_5_Symantec_10 || av_5_McAfeevirusscan_11 || av_5_sophos_4
For more information about compound expressions, see Configuring Compound Expressions.