Billion BiPAC 8500/8501/8520/8521 SHDSL (VPN) Firewall Bridge/ Router
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.
Table 5: Well-known and registered Ports
Port Number
20
21
22
23
25
53
69
80
110
119
123
161
443
1503
1720
4000
7070
Protocol
TCP
TCP
TCP & UDP
TCP
TCP
TCP & UDP
UDP
TCP
TCP
TCP
UDP
TCP
TCP & UDP
TCP
TCP
TCP
UDP
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
