Table 5-1 Services Vs. Port Number - ZyXEL Communications Prestige 310 User Manual

Prestige 310 Broadband Internet Access Router
Services
FTP (File Transfer Protocol)
Telnet
POP3 (Post Office Protocol, version 3)
SMTP (Simple Mail Transfer Protocol)
DNS (Domain Name System)
HTTP (Hyper Text Transfer protocol or WWW, Web)
PPTP (Point-to-Point Tunneling Protocol)
Multiple SUA Servers

Table 5-1 Services vs. Port number

Port Number
21
23
110
25
53
80
1723
5-3