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Chapter 38 Network Address Translation (NAT)
ZyWALL 2WG User’s Guide
602
The following table describes the fields in this menu.
38.3 Configuring a Server behind NAT
" If you do not assign a Default Server IP address, the ZyWALL discards all
packets received for ports that are not specified here or in the remote
management setup.
Follow these steps to configure a server behind NAT:
1 Enter 15 in the main menu to go to Menu 15 - NAT Setup.
2 Enter 2 to open menu 15.2.
Figure 383 Menu 15.2: NAT Server Sets
Table 227 Menu 15.1.1.1: Editing/Configuring an Individual Rule in a Set
FIELD DESCRIPTION
Type Press [SPACE BAR] and then [ENTER] to select from a total of five types. These are the
mapping types discussed in Chapter 17 on page 385. Server allows you to specify multiple
servers of different types behind NAT to this computer. See Section 38.4.3 on page 607 for
an example.
Local IP Only local IP fields are N/A for server; Global IP fields MUST be set for Server.
Start Enter the starting local IP address (ILA).
End Enter the ending local IP address (ILA). If the rule is for all local IPs, then put the Start IP
as 0.0.0.0 and the End IP as 255.255.255.255. This field is N/A for One-to-One and Server
types.
Global IP
Start Enter the starting global IP address (IGA). If you have a dynamic IP, enter 0.0.0.0 as the
Global IP Start. Note that Global IP Start can be set to 0.0.0.0 only if the types are Many-
to-One or Server.
End Enter the ending global IP address (IGA). This field is N/A for One-to-One, Many-to-One
and Server types.
Server
Mapping
Set
This field is available only when you select Server in the Type field.
Once you have finished configuring a rule in this menu, press [ENTER] at the message “Press ENTER
to Confirm…” to save your configuration, or press [ESC] to cancel.
Menu 15.2 - NAT Server Sets
1. Server Set 1
2. Server Set 2
Enter Set Number to Edit: