Set Up The Nat On The Zywall/Usg; Set Up The Security Policy On The Zywall/Usg - ZyXEL Communications ZyWALL 110 Handbook

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Set Up the NAT on the ZyWALL/USG

In the ZyWALL/USG, go to CONFIGURATION > Network > NAT > add NAT, select
Enable Rule. Select 1:1 NAT. Set Incoming Interface to be the wan1 interface. Type
User-Defined Original IP (172.251.31.90 in this example) and type User-Defined
Mapped IP (192.168.1.34 in this example). Set Port Mapping Type to Service, set
Original Service and Mapped Service to HTTP in this example. Click OK.
CONFIGURATION > Network > NAT > add NAT

Set Up the Security Policy on the ZyWALL/USG

In the ZyWALL/USG, go to CONFIGURATION > Security Policy > Policy Control > add
corresponding, select Enable. Configure a Name for your to identify the security
policy (http_server_access in this example). Set From: WAN and To: LAN1. Set
Destination to the lan subnet where your server is (LAN_SUBNET_GE3 in this
example). Set Service to HTTP, set Action to allow. Click OK.
CONFIGURATION > Security Policy > Policy Control > add corresponding
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