Chapter 9 NAT
USG FLEX H Series User’s Guide
151
9.2.1 The NAT Add/Edit Screen
The NAT Add/Edit screen lets you create new NAT rules and edit existing ones. To open this window,
open the NAT summary screen. (See
Section 9.2 on page 150.) Then, click on an Add icon or Edit icon to
open the following screen.
Activate To turn on an entry, select it and click Activate.
Inactivate To turn off an entry, select it and click Inactivate.
Move To change a rule’s position in the numbered list, select the rule and click Move to display a
field to type a number for where you want to put that rule and press [ENTER] to move the
rule to the number that you typed.
The ordering of your rules is important as they are applied in order of their numbering.
Status This icon is lit when the entry is active and dimmed when the entry is inactive.
Priority This field displays the priority for the entry. The smaller the number, the higher the priority.
Name This field displays the name of the entry.
Mapping Type This field displays what kind of NAT this entry performs: Virtual Server, 1:1 NAT, or Many 1:1
NAT.
Interface This field displays the interface on which packets for the NAT entry are received.
Source IP This field displays the source IP address (or address object) of traffic that matches this NAT
entry. It displays any if there is no restriction on the source IP address.
External IP This field displays the original destination IP address (or address object) of traffic that
matches this NAT entry. It displays any if there is no restriction on the original destination IP
address.
Internal IP This field displays the new destination IP address for the packet.
Protocol This field displays the service used by the packets for this NAT entry. It displays any if there is
no restriction on the services.
External Port This field displays the original destination port(s) of packets for the NAT entry. This field is
blank if there is no restriction on the original destination port.
Internal Port This field displays the new destination port(s) for the packet. This field is blank if there is no
restriction on the original destination port.
Apply Click this button to save your changes to the Zyxel Device.
Reset Click this button to return the screen to its last-saved settings.
Table 79 Network > NAT (continued)
LABEL DESCRIPTION
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