Describes what to do when the scanner config fields are not supported for the specified scanner.
Values:
NONE -Throws exception on any unsupported parameters or values.
UNSUPPORTED_PARAM -Skips the only unsupported paramter and continues with next.
UNSUPPORTED_VALUE -Skips the only unsupported values and continues with next.
ALL -Skips both unsupported paramters and values and continues with next.