Step 1.
Selected the public IP for PAT
Choose one IP between 168.192.0.1 ~ 168.192.0.6 for PAT. The NetMask should match to the
network segment that ISP assigns to you.
+-----------------------------NAT------------------------------+
| |
| Static NAT (Network Address Translation) [enable ] |
| |
| NAPT (Network Address Port Translation) |
| Public IP [168.192.0.1 ] |
| NetMask [255.255.255.248] |
| Proxy Port List [enable ] |
| |
+--------------------------------------------------------------+
Step 2.
Proxy Port List
Use this function to make a server visible to the outside world, specify the port number of the
service and the inside IP address of the server behind NAT.
Enter the protocol and port number in the field and the inside IP address of the server in the
Proxy IP.
+------------Proxy Port List------------+
| |
| Protocol Port Proxy IP |
| |
| 1 TCP 21 192.168.1.24 |
| 2 TCP 80 192.168.1.25 |
| 3 TCP 0 0.0.0.0 |
| 4 TCP 0 0.0.0.0 |
| 5 TCP 0 0.0.0.0 |
| 6 TCP 0 0.0.0.0 |
| 7 TCP 0 0.0.0.0 |
| 8 TCP 0 0.0.0.0 |
| |
+---------------------------------------+
The most often used port numbers are shown in the following table. Please refer to RFC 1700 for
further information about port numbers.
Services Port
Number
FTP (File Transfer Protocol)
21
Telnet 23
SMTP (simple Mail Transfer Protocol)
25
DNS (Domain Name System)
53
HTTP (Hyper Text Transfer protocol or Web)
80
50
