ZyXEL 2WG Guida Utente

 Chapter 4 Tutorial

ZyWALL 2WG User’s Guide

1 Open the web browser on one of the local computers and enter any web site’s URL in the 

address bar. If you can access the web site, your WAN 1 connection and NAT address 
mapping are configured successfully. If you cannot access it, make sure you entered the 
correct information in the WAN and NAT Address Mapping screens. Also check that 
the Internet account is active and the computer’s IP address is in the same subnet as the 
ZyWALL.

2 Open your web browser and try accessing the web server (1.2.3.5) from the outside 

network. If you cannot access the web server, make sure the NAT address mapping rule is 
configured correctly and there is a firewall rule to allow HTTP traffic from the WAN to 
the web server.

3 Try accessing the FTP server (1.2.3.4) from the outside network to send or retrieve a file. 

If you cannot access the FTP server, make sure the NAT port forwarding rule is active and 
there is a firewall rule to allow FTP traffic from the WAN to FTP server.

If two users (behind the ZyWALL) want to connect to the same server to play online games at 
the same time, but the server does not allow more than one login from the same IP address, 
you can configure a many-to-many rule instead of a many-to-one rule.

In this example, you have four static IP addresses (1.2.3.4 to 1.2.3.7) from your ISP. After you 
set up your WAN connection (see 

), use the NAT > Address 

Mapping screen to map the third and forth public IP addresses to the mail server 
(192.168.1.12) and web server (192.168.1.13) respectively. The first and second public IP 
addresses are mapped to other outgoing LAN traffic. See 

 for more 

information about IP address mapping.

When you finish configuration, the screen looks as shown.