Planet Networking & Communication CS-2001 User Manual page 291

Step 21.
Tick Data integrity and encryption, and select "MD5" for Integrity
algorithm and "3DES" for Encryption algorithm. Tick Generate a new
key every, and enter "28800" in the seconds field, and then click OK to
return to the New Rule Properties window.
Step 22.
In the New Rule Properties window, click Connection Type tab and
tick All network connections.
Figure 11-82 Customizing Security Method
（Figure 11-83）
290
（Figure 11-82）