Planet Networking & Communication CS-2001 User Manual page 287

Step 17.
In the New Rule Properties window, click Filter Action tab and then
tick Require Security. Next, click Edit.
Step 18.
In the Require Security Properties window, tick "Session Key
Perfect Forward Secrecy" on the bottom.
Figure 11-78 Selecting Filter Action
286
（Figure 11-78）
（Figure 11-79）