Chapter 16 Virtual Servers

Figure 219 NAT 1:1 Example Policy Route

 

 

 

 

LAN1 Source 192.168.1.1

 

Source 1.1.1.1

 

 

SMTP

 

NAT

 

SMTP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

192.168.1.21

Click Network > Routing > Policy Route > Add and configure the screen as shown next. Be careful of where you create the route as routes are ordered in descending priority.

Figure 220 Create a Policy Route

NAT 1:1 Firewall Rule

Create a firewall rule to allow access from the WAN zone to the mail server in the LAN1 zone. Be careful of where you create the rule as firewall rules are ordered in descending priority.

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ZyWALL USG 100/200 Series User’s Guide