ZyXEL Communications 2602RL-D3A manual Internet Access Only, See the following figure

Prestige 2602RL-D3A Support Notes

2.	21	21	192.168.1.33
3.	80	80	192.168.1.36
4.	0	0	0.0.0.0
5.	0	0	0.0.0.0
6.	0	0	0.0.0.0
7.	0	0	0.0.0.0
8.	0	0	0.0.0.0
9.	0	0	0.0.0.0
10.	0	0	0.0.0.0
11.	0	0	0.0.0.0
12.	0	0	0.0.0.0

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The most often used port numbers are shown in the following table. Please refer RFC 1700 for further

information about port numbers.

Service	Port Number
FTP	21
Telnet	23
SMTP	25
DNS (Domain Name Server)	53
www-http (Web)	80
PPTP (Point-to-Point Tunneling	1723
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.

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