User's Manual

148
Example: List of some well-known and registered port numbers.
The Internet Assigned Numbers Authority (IANA) is the central coordinator for the assignment
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The remaining ports, referred to as dynamic or private ports, are numbered from 49152 through
65535.
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numbers
For help on determining which private port numbers are used by common applications on this list,
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Table 5: Well-known and registered Ports
Port Number Protocol
Description
20 TCP FTP Data
21 TCP FTP Control
22 TCP & UDP SSH Remote Login Protocol
23 TCP Telnet
25 TCP 60736LPSOH0DLO7UDQVIHU3URWRFRO
53 TCP & UDP DNS (Domain Name Server)
69 UDP TFTP (Trivial File Transfer Protocol)
80 TCP :RUOG:LGH:HE+773
110 TCP 3233RVW2I¿FH3URWRFRO9HUVLRQ
119 TCP 1(:61HWZRUN1HZV7UDQVIHU3URWRFRO
123 UDP
NTP (Network Time Protocol)61736LPSOH1HWZRUN
Time Protocol)
161 TCP 6103
443 TCP & UDP HTTPS
1503 TCP T.120
1720 TCP H.323
4000 TCP ICQ
7070 UDP RealAudio