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Chapter 12 NAT
ZyWALL ATP Series User’s Guide
334
login to the Web Configurator and click
Configuration > Network > NAT
. The following screen appears,
providing a summary of the existing NAT rules.
Click on the icons to go to the OneSecurity website where there is guidance on configuration
walkthroughs, troubleshooting, and other information.
Figure 227
Configuration > Network > NAT
The following table describes the labels in this screen.
Table 137 Configuration > Network > NAT
LABEL
DESCRIPTION
Use Static-Dynamic
Route to Control 1-1
NAT Route
If you are using
SiteToSite VPN
and
1-1 SNAT
, it’s recommended that you select this check
box. Otherwise, you’ll need to create policy route rules for VPN and Destination NAT traffic.
Note that the selection of this check box will change the priority of the routing flow
(SiteToSite VPN
,
Static-Dynamic Route
, and
1-1 SNAT)
for
more information about the routing flow.
Add
Click this to create a new entry.
Edit
Double-click an entry or select it and click
Edit
to open a screen where you can modify the
entry’s settings.
Remove
To remove an entry, select it and click
Remove
. The Zyxel Device confirms you want to
remove it before doing so.
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.
#
This field is a sequential value, and it is not associated with a specific entry.
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.
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.