Wednesday, October 16, 2013

Well Known Ports

The full range of available ports is 0 - 65536 and can be used dynamically by any application however in general ports 0 - 1024 are pre-defined and 'well known' which is to say 22 is always ssh, 80 is http and so on.

Port NumberDescription
1TCP Port Service Multiplexer (TCPMUX)
5Remote Job Entry (RJE)
7ECHO
18Message Send Protocol (MSP)
20FTP -- Data
21FTP -- Control
22SSH Remote Login Protocol
23Telnet
25Simple Mail Transfer Protocol (SMTP)
29MSG ICP
37
39
Time
RIP
42Host Name Server (Nameserv)
43WhoIs
49Login Host Protocol (Login)
53
67
68
Domain Name System (DNS)
bootps
bootpc
69Trivial File Transfer Protocol (TFTP)
70Gopher Services
79Finger
80
88
101
102
HTTP
Kerberos
Hostname
iso-tsap
103
107
X.400 Standard
rtelnet
108SNA Gateway Access Server
109POP2
110
111
113
POP3
sunrpc
auth
115
117
Simple File Transfer Protocol (SFTP)
uucp-path
118SQL Services
119
123
Newsgroup (NNTP)
NTP - Network Time Protocol
137NetBIOS Name Service
139NetBIOS Datagram Service
143Interim Mail Access Protocol (IMAP)
150NetBIOS Session Service
156SQL Server
161SNMP
179Border Gateway Protocol (BGP)
190Gateway Access Control Protocol (GACP)
194Internet Relay Chat (IRC)
197Directory Location Service (DLS)
389Lightweight Directory Access Protocol (LDAP)
396Novell Netware over IP
443HTTPS
444Simple Network Paging Protocol (SNPP)
445Microsoft-DS
458Apple QuickTime
546DHCP Client
547DHCP Server
563SNEWS
569MSN
1080Socks

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