Chapter 16 Virtual Servers
NAT 1:1 Address Objects
First create two address objects for the private and public IP addresses (LAN_SMTP and WAN_EG) in the Object > Address screen as shown next.
Figure 215 Create Address Objects
Figure 216 Address Objects
NAT 1:1 Virtual Server
This section sets up a virtual server rule that changes the destination of SMTP traffic coming to IP address 1.1.1.1 at the ZyWALL’s wan2 interface, to the LAN1 SMTP server’s IP address (192.168.1.21). This is also called Destination NAT (DNAT)
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