Copy an existing filter to modify and use the existing filter settings. A filter can be copied whether or not it is in use by a policy; however, default filters cannot be
copied.
Steps
On the page Main > Policy Management > Filters, mark the check box to the left of the filter name.
Click Copy.
The Copy Filter dialog box displays.
In the field Filter Name, enter a new name for the filter.
Click OK.
The new filter displays in the Filters list. See Creating and configuring a filter.