ZyXEL Communications P-202 manual Services vs. Port number, Services Port Number

Prestige 201 ISDN Access Router

1.Enter 15 in the main menu to go to Menu 15 - SUA Server Setup.

2.Enter the service port number in the Port # field and the inside IP address of the server in the IP Address field.

Menu 15 - SUA Server Setup

Port # IP Address

-------------------

1.Default

2. 0

3. 0

0.0.0.0

0.0.0.0

4. 00.0.0.0 0.0.0.0

5.0

6.00.0.0.0 0.0.0.0

7. 0

8. 0

0.0.0.0

0.0.0.0

Press ENTER to Confirm or ESC to Cancel:

Figure 3-5 SUA Server Setup

3.Press ENTER at the “Press ENTER to confirm …” prompt to save your configuration after you define all the servers or press ESC at any time to cancel.

The most often used port numbers are:

Table 3-6 Services vs. Port number

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 WWW, Web)	80
PPTP (Point-to-Point Tunneling Protocol)	1723

Internet Access 3-13