Chapter 11 Network Address Translation (NAT)
XMG3512-B10A User’s Guide
164
Figure 90
NAT Application With IP Alias
Port Forwarding: Services and Port Numbers
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 Supporting CD for more examples and details
on port forwarding and NAT.
Port Forwarding Example
Let's say you want to assign ports 21-25 to one FTP, Telnet and SMTP server (
A
in the example), port 80 to
another (
B
in the example) and assign a default server IP address of 192.168.1.35 to a third (
C
in the
Table 67 Services and Port Numbers
SERVICES
PORT NUMBER
ECHO
7
FTP (File Transfer Protocol)
21
SMTP (Simple Mail Transfer Protocol)
25
DNS (Domain Name System)
53
Finger
79
HTTP (Hyper Text Transfer protocol or WWW, Web)
80
POP3 (Post Office Protocol)
110
NNTP (Network News Transport Protocol)
119
SNMP (Simple Network Management Protocol)
161
SNMP trap
162
PPTP (Point-to-Point Tunneling Protocol)
1723
Summary of Contents for XMG3512-B10A
Page 14: ...14 PART I User s Guide ...
Page 23: ...Chapter 1 Introducing the XMG XMG3512 B10A User s Guide 23 Figure 8 Wall Mounting Example ...
Page 33: ...Chapter 3 Quick Start XMG3512 B10A User s Guide 33 Figure 16 Quick Start Result Summary ...
Page 56: ...56 PART II Technical Reference ...
Page 279: ...Appendix D Legal Information XMG3512 B10A User s Guide 279 Environmental Product Declaration ...