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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.
SERVICES
ECHO
FTP (File Transfer Protocol)
SMTP (Simple Mail Transfer Protocol)
DNS (Domain Name System)
Finger
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.
Prestige 650H-E
Table 3 Common Services and Port Numbers
PORT
NUMBER
7
21
25
53
79
Figure 14 Multiple Servers Behind NAT Example
SERVICES
HTTP (Hyper Text Transfer protocol or
WWW, Web)
POP3 (Post Office Protocol)
NNTP (Network News Transport Protocol)
SNMP (Simple Network Management
Protocol)
SNMP trap
PPTP (Point-to-Point Tunneling Protocol)
16
PORT
NUMBER
80
110
119
161
162
1723
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