Prestige 650H-E

5.2 Configuring SUA Server

An SUA server set is a list of inside (behind NAT on the LAN) servers, for example, web or FTP, that you can make visible to the outside world even though SUA makes your whole inside network appear as a single computer to the outside world.

Table 3 Common Services and Port Numbers

SERVICES

PORT

SERVICES

PORT

 

NUMBER

 

NUMBER

 

 

 

 

ECHO

7

HTTP (Hyper Text Transfer protocol or

80

 

 

WWW, Web)

 

 

 

 

 

FTP (File Transfer Protocol)

21

POP3 (Post Office Protocol)

110

 

 

 

 

SMTP (Simple Mail Transfer Protocol)

25

NNTP (Network News Transport Protocol)

119

 

 

 

 

DNS (Domain Name System)

53

SNMP (Simple Network Management

161

 

 

Protocol)

 

 

 

 

 

Finger

79

SNMP trap

162

 

 

 

 

 

 

PPTP (Point-to-Point Tunneling Protocol)

1723

 

 

 

 

Let's say you want to assign ports 22-25 to one server, port 80 to another and assign a default server IP address of 192.168.1.35 as shown in the next figure.

Figure 14 Multiple Servers Behind NAT Example

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