Port numbers range from 0 to 65536,
but only ports numbers 0 to 1024 are reserved for privileged services and
designated as well-known ports. This list of well-known port numbers specifies
the port used by the server process as its contact port.
Port Number
|
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
|
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