Figure 3-7 Multiple Server Configuration; Table 3-6 Services Vs. Port Number - ZyXEL Communications Prestige 641 User Manual

Prestige 641 ADSL Internet Access Router
The most often used port numbers are:
Services
FTP (File Transfer Protocol)
Telnet
SMTP (Simple Mail Transfer Protocol)
DNS(Domain Name System)
HTTP (Hyper Text Transfer protocol or WWW, Web) 80
PPTP (Point-to-Point Tunneling Protocol)
3-14
Menu 15 - Multiple Server Configuration
Port #
----
.
1 Default
2. 0
3. 0
4. 0
5. 0
6. 0
7. 0
8. 0
Press ENTER to Confirm or ESC to Cancel:

Figure 3-7 Multiple Server Configuration

Table 3-6 Services vs. Port number

IP Address
---------------
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
1723
Internet Access