Port numbers range from 0 to 65536, but ports numbers 0 to 1024 are reserved for standard use. A non-standard port has a number greater than 1024. Some well-known ports are listed below.
|
Port |
Description |
|
1 |
TCP Port Service Multiplexer (TCPMUX) |
|
5 |
Remote Job Entry (RJE) |
|
7 |
ECHO |
|
18 |
Message Send Protocol (MSP) |
|
20 |
FTP - Data |
|
21 |
FTP - Control |
|
22 |
SSH Remote Login Protocol |
|
23 |
Telnet |
|
25 |
Simple Mail Transfer Protocol (SMTP) |
|
29 |
MSG ICP |
|
37 |
Time |
|
42 |
Host Name Server (Nameserv) |
|
43 |
WhoIs |
|
49 |
Login Host Protocol (Login) |
|
53 |
Domain Name System (DNS) |
|
69 |
Trivial File Transfer Protocol (TFTP) |
|
70 |
Gopher Services |
|
79 |
Finger |
|
80 |
HTTP |
|
103 |
X.400 Standard |
|
108 |
SNA Gateway Access Server |
|
109 |
POP2 |
|
110 |
POP3 |
|
115 |
Simple File Transfer Protocol (SFTP) |
|
118 |
SQL Services |
|
119 |
Newsgroup (NNTP) |
|
137 |
NetBIOS Name Service |
|
139 |
NetBIOS Datagram Service |
|
143 |
Interim Mail Access Protocol (IMAP) |
|
150 |
NetBIOS Session Service |
|
156 |
SQL Server |
|
161 |
SNMP |
|
179 |
Border Gateway Protocol (BGP) |
|
190 |
Gateway Access Control Protocol (GACP) |
|
194 |
Internet Relay Chat (IRC) |
|
197 |
Directory Location Service (DLS) |
|
389 |
Lightweight Directory Access Protocol (LDAP) |
|
396 |
Novell Netware over IP |
|
443 |
HTTPS |
|
444 |
Simple Network Paging Protocol (SNPP) |
|
445 |
Microsoft-DS |
|
458 |
Apple QuickTime |
|
546 |
DHCP Client |
|
547 |
DHCP Server |
|
563 |
SNEWS |
|
569 |
MSN |
|
1080 |
Socks |