ZyWALL Series Internet Security Gateway
NAT Screens
9-5
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.
Port numbers do
not
change for
One-to-One
and
Many-One-to-One
NAT mapping
types.
The following table summarizes these types.
Table 9-3 NAT Mapping Types
TYPE IP
MAPPING
SMT
ABBREVIATION
One-to-One ILA1
IGA1
1-1
Many-to-One (SUA/PAT)
ILA1
IGA1
ILA2
IGA1
…
M-1
Many-to-Many Overload
ILA1
IGA1
ILA2
IGA2
ILA3
IGA1
ILA4
IGA2
…
M-M Ov
Many-One-to-One ILA1
IGA1
ILA2
IGA2
ILA3
IGA3
…
M-1-1
Server
Server 1 IP
IGA1
Server 2 IP
IGA1
Server 3 IP
IGA1
Server
9.2 Using
NAT
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.
9.2.1 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,
Many-to-One
and
Server
. The ZyWALL also supports
Full Feature
NAT to map multiple global
Summary of Contents for Internet Security Gateway ZyWALL 100
Page 1: ...ZyWALL 10W 30W 50 100 Internet Security Gateway User s Guide Version 3 62 February 2004 ...
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Page 124: ...ZyWALL Series Internet Security Gateway 8 16 WAN Screens Figure 8 10 Dial Backup Setup ...
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Page 235: ...ZyWALL Series Internet Security Gateway VPN Screens 15 11 Figure 15 5 VPN IKE ...
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Page 282: ...ZyWALL Series Internet Security Gateway 16 20 Certificates Figure 16 9 Trusted CA Details ...
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Page 351: ...Logs IX Part IX Logs This part provides information and instructions for the logs and reports ...
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Page 356: ...ZyWALL Series Internet Security Gateway 20 4 Log Screens Figure 20 2 Log Settings ...
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Page 365: ...Maintenance X Part X Maintenance This part covers the maintenance screens ...
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