D-Link NetDefend Firewall Series Manual page 9

In the General tab:
General:
Name: allow_all
Action: Allow
Service: all_services
Address Filter:
Source Interface: lan
Source Network: lannet
Destination Interface: fwA-ipsec
Destination Network: fwA-remotenet
Click Ok.
Create a second rule in the same folder.
In the General tab:
General:
Name: allow_all
Action: Allow
Service: all_services
Address Filter:
Source Interface: fwA-ipsec
Source Network: fwA-remotenet
Destination Interface: lan
Destination Network: lannet
Click Ok.
Save and activate the configuration on firewall B.