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ZyWALL 10/50 Internet Security Gateway
9-18 NAT
From menu 4 shown above, simply choose the SUA Only option from the Network Address Translation
field. This is the Many-to-One mapping discussed in section 9.5. The SUA Only read-only option from the
Network Address Translation field in menus 4 and 11.3 is specifically pre-configured to handle this case.
9.5.2 Example 2: Internet Access with an Inside Server
Figure 9-14 NAT Example 2
In this case, you do exactly as above (use the convenient pre-configured SUA Only set) and also go to
menu 15.2 to specify the Inside Server behind the NAT as shown in the next figure.