Billion BiPAC 7300N User Manual page 107

designated as "well-known ports". The registered ports are numbered from 1024 through
49151. The remaining ports, referred to as dynamic ports, or private ports, are numbered
from 49152 through 65535.
Examples of well-known and registered port numbers are shown below, for further
information, please see IANA's website at:
Well-known and Registered Ports
Port Number Protocol
20 TCP
21 TCP
22 TCP & UDP
23 TCP
25 TCP
53 TCP & UDP
69 UDP
80 TCP
110 TCP
119 TCP
123 UDP
161 TCP
443 TCP & UDP
1503 TCP
1720 TCP
4000 TCP
7070 UDP
http://www.iana.org/assignments/port-numbers
Description
FTP Data
FTP Control
SSH Remote Login Protocol
Telnet
SMTP (Simple Mail Transfer Protocol)
DNS (Domain Name Server)
TFTP (Trivial File Transfer Protocol)
World Wide Web HTTP
POP3 (Post Office Protocol Version 3)
NEWS (Network News Transfer Protocol)
NTP (Network Time Protocol)
SNMP
HTTPS
T.120
H.323
ICQ
RealAudio
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