Billion BiPAC 8500/8520 User Manual page 154

Example: List of some well-known and registered port numbers.
The Internet Assigned Numbers Authority (IANA) is the central coordinator for the assigning
unique parameter values to the Internet protocols. Port numbers range from 0 to 65535, but
only ports numbers 0 to 1023 are reserved for privileged services and are designated as "well-
known ports" (Please refer to Table 5). The registered ports are numbered from 1024 through
49151. The remaining ports from 49152 through 65535 are referred to as dynamic or private
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
Chapter 4: Configuration
Billion BiPAC 8500/8501/8520/8521 SHDSL (VPN) Firewall Bridge/ Router
Table 5: Well-known and registered Ports
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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