Prestige 1600 Universal Access Concentrator

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. 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 the included disk for more examples and details on NAT.

Menu 15.2 - NAT Server Sets

Port #

IP Address

----

---------------

1. (Used by SUA)

0.0.0.0

2.21

192.168.255.1

3.23

192.168. 255.2

4.25

192.168. 255.3

5.80

192.168. 255.4

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

Press ENTER to Confirm or ESC to Cancel:

Figure 9-10 Menu 15.2 - NAT Server SetupTable 9-6 Common 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

 

 

9.4Examples

9.4.1Internet Access Only

In this Internet access example, you only need one rule where all the ILAs (Inside Local Addresses) map to one dynamic IGA (Inside Global Address) assigned by your ISP.

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NAT