ZyXEL Communications 200 Series - Manual (Page 160)

Chapter 6 Tutorials
ZyWALL USG 100/200 Series User’s Guide
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6.8.1 How to Turn On the ALG
Click Network > ALG. Select Enable H.323 transformations and click Apply.
Figure 108 Network > ALG
6.8.2 How to Set Up a Virtual Server Policy For H.323
In this example, you need a virtual server policy to forward H.323 (TCP port 1720) traffic
received on the ZyWALL’s 10.0.0.8 WAN IP address to LAN1 IP address 192.168.1.56.
1 Use Object > Address > Add to create address objects for the private and public IP
addresses (WAN_IP-for-H323 and LAN_H323) as shown next.
Figure 109 Create Address Objects
2 Click Network > Virtual Server > Add.
3 Configure the screen as follows and click OK.