Port Numbers and their Services:
Port
Number
|
Protocol
|
|
Service
|
||
0
|
TCP/UDP
|
Reserved
|
7
|
TCP/UDP
|
Echo
|
9
|
TCP/UDP
|
Discard
|
11
|
TCP
|
Systat
|
13
|
TCP/UDP
|
Daytime
|
17
|
TCP/UDP
|
Quote
of the day
|
19
|
TCP/UDP
|
Chargen
(character generator)
|
21
|
TCP
|
FTP
|
23
|
TCP
|
Telnet
|
25
|
TCP
|
SMTP
|
37
|
TCP/UDP
|
Time
|
38
|
TCP/UDP
|
Route
Access Protocol
|
42
|
UDP
|
Name
Server
|
43
|
TCP
|
Whois
|
49
|
TCP
|
Login
Host Protocol
|
53
|
TCP/UDP
|
DNS
|
60
|
TCP/UDP
|
Unassigned
|
67
|
UDP
|
Bootstrap
Protocol Server
|
68
|
UDP
|
Bootstrap
Protocol Client
|
69
|
UDP
|
Trivial
File Transfer (TFT)
|
70
|
TCP
|
Gopher
|
80
|
TCP
|
HTTP
|
88
|
TCP
|
Kerberos
|
101
|
TCP/UDP
|
NIC
host name server
|
109
|
TCP
|
POP2
|
110
|
TCP
|
POP3
|
111
|
TCP/UDP
|
Sun
remote procedure call (Sun RPC)
|
119
|
TCP
|
NNTP
|
137
|
TCP/UDP
|
Netbios
name service
|
138
|
TCP/UDP
|
Netbios
datagram service
|
139
|
TCP/UDP
|
Netbios
session service
|
161
|
UDP
|
SNMP
|
512
|
TCP
|
Remote
process execution
|
513
|
TCP
|
Remote
login via telnet
|
514
|
TCP
|
cmd
|
749
|
TCP
|
Kerberos
administration port
|
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