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ZyWALL 10 Internet Security Gateway
6-14 NAT
Step 4. Press [ENTER] at the “Press ENTER to confirm …” prompt to save your configuration after
you define all the servers or press [ESC] at any time to cancel.
If you’re using Ethernet Encapsulation the SMT does not allow you to change the port
1026 entry.
The most often used port numbers are shown in the following table. Please refer to RFC 1700 for further
information about port numbers. Please also refer to our included disk for more examples and details on
NAT.
Figure 6-11 Menu 15.2 — NAT Server Setup
Table 6-7 Services & Port numbers
SERVICES PORT NUMBER
FTP (File Transfer Protocol) 21
Telnet 23
SMTP (Simple Mail Transfer Protocol) 25
DNS(Domain Name System) 53
HTTP (Hyper Text Transfer protocol or WWW, Web) 80
PPTP (Point-to-Point Tunneling Protocol) 1723
Menu 15.2 - NAT Server Setup
Port #
----
IP Address
---------------
1
.
Default
0.0.0.0
2.21 192.168.1.33
3.23 192.168.1.34
4.25 192.168.1.35
5.80 192.168.1.36
6. 0 0.0.0.0
7. 0 0.0.0.0
8. 0 0.0.0.0
9. 0 0.0.0.0
10. 0 0.0.0.0
11. 0 0.0.0.0
12. 1026 RR Reserved
Press ENTER to Confirm or ESC to Cancel: