ZyWALL 5/35/70 Series User’s Guide
•Server: This type allows you to specify inside servers of different services behind the NAT to be accessible to the outside world although, it is highly recommended that you use the DMZ port for these servers instead.
Note: Port numbers do not change formapping types.
The following table summarizes these types.
Table 125 NAT Mapping Types
TYPE | IP MAPPING | SMT ABBREVIATION |
|
|
|
ILA1ÅÆ IGA1 | ||
|
|
|
ILA1ÅÆ IGA1 | ||
| ILA2ÅÆ IGA1 |
|
| … |
|
|
|
|
ILA1ÅÆ IGA1 | ||
| ILA2ÅÆ IGA2 |
|
| ILA3ÅÆ IGA1 |
|
| ILA4ÅÆ IGA2 |
|
| … |
|
|
|
|
ILA1ÅÆ IGA1 | ||
| ILA2ÅÆ IGA2 |
|
| ILA3ÅÆ IGA3 |
|
| … |
|
|
|
|
Server | Server 1 IPÅÆ IGA1 | Server |
| Server 2 IPÅÆ IGA1 |
|
| Server 3 IPÅÆ IGA1 |
|
|
|
|
22.2 Using NAT
Note: You must create a firewall rule in addition to setting up SUA/NAT, to allow traffic from the WAN to be forwarded through the ZyWALL.
22.2.1 SUA (Single User Account) Versus NAT
SUA (Single User Account) is a ZyNOS implementation of a subset of NAT that supports two types of mapping,
Selecting SUA means (latent) multiple
Chapter 22 Network Address Translation (NAT) | 374 |