Between the same versions of the Manager, you can export and import Firewall policies. When you export, the selected Firewall policies are exported into a .xml file. You can then import this .xml file into a Manager to create the Firewall policies contained in that .xml file.
Steps:
Select Intrusion Prevention → Advanced → Policy Import → Firewall.
Specify the required options to import the Firewall policies.
Option
Definition
Skip duplicate policy definitions
When selected, the Manager imports only those policies that are not present in the Manager already.
Import File
Click Choose File to locate the file to import.
Import
Begins the import process.