ZyXEL Communications P-2602R-D1A Support Notes page 28

2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
The most often used port numbers are shown in the following table. Please refer RFC 1700 for further
information about port numbers.
Service
FTP
Telnet
SMTP
DNS (Domain Name Server)
www-http (Web)
PPTP
Protocol)
1. Internet Access Only
In our Internet Access example, we only need one rule where all our ILAs map to one IGA assigned by the ISP.
See the following figure.
21 21
80 80
0
0
0
0
0
0
0
0
0
Press ENTER to Confirm or ESC to Cancel:
(Point-to-Point Tunneling
All contents copyright (c) 2007 ZyXEL Communications Corporation.
Prestige 2602R-D1A Support Notes
192.168.1.33
192.168.1.36
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
0 0.0.0.0
Port Number
21
23
25
53
80
1723
28