| Port Number | Service name | Description
|
| 5 | RJE | Remote Job Entry
|
| 7 | ECHO | Echo
|
| 9 | DISCARD | Discard
|
| 11 | USERS | Active Users
|
| 13 | DAYTIME | Daytime
|
| 17 | QUOTE | Quote of the Day
|
| 19 | CHARGEN | Character Generator
|
| 20 | FTP-DATA | File Transfer [Default Data]
|
|
21
|
FTP
|
File Transfer [Control]
|
|
23
|
TELNET
|
Telnet
|
|
25
|
SMTP
|
Simple Mail Transfer Protocol
|
|
37
|
TIME
|
Time
|
|
42
|
NAMESERVER
|
Host Name Server
|
|
43
|
NICNAME
|
Who Is
|
|
49
|
LOGIN
|
Login Host Protocol
|
|
53
|
DOMAIN
|
Domain Name Server
|
|
67
|
BOOTPS
|
Bootstrap Protocol Server
|
|
68
|
BOOTPC
|
Bootstrap Protocol Client
|
|
69
|
TFTP
|
Trivial File Transfer
|
|
79
|
FINGER
|
Finger
|
|
93
|
DCP
|
Device Control Protocol
|
|
101
|
HOSTNAME
|
NIC Host Name Server
|
|
107
|
RTELNET
|
Remote Telnet Service
|
|
109
|
POP2
|
Post Office Protocol - Version 2
|
|
110
|
POP3
|
Post Office Protocol - Version 3
|
|
113
|
AUTH
|
Authentication Service
|
|
115
|
SFTP
|
Simple File Transfer Protocol
|
|
119
|
NNTP
|
Network News Transfer Protocol
|
|
123
|
NTP
|
Network Time Protocol
|
|
129
|
PWDGEN
|
Password Generator Protocol
|
|
130
|
CISCO-FNA
|
CISCO FNATIVE
|
|
135
|
LOC-SRV
|
Location Service
|
|
136
|
PROFILE
|
PROFILE Naming System
|
|
137
|
NETBIOS-NS
|
NETBIOS Name Service
|
|
138
|
NETBIOS-DGM
|
NETBIOS Datagram Service
|
|
139
|
NETBIOS-SSN
|
NETBIOS Session Service
|
|
144
|
NEWS
|
NewS
|
|
150
|
SQL-NET
|
SQL-NET
|
|
152
|
BFTP
|
Background File Transfer Program
|
|
153
|
SGMP
|
SGMP
|
|
156
|
SQLSRV
|
SQL Service
|
|
161
|
SNMP
|
SNMP
|
|
162
|
SNMPTRAP
|
SNMPTRAP
|
|
192
|
OSU-NMS
|
OSU Network Monitoring System
|
|
194
|
IRC
|
Internet Relay Chat Protocol
|
|
197
|
DLS
|
Directory Location Service
|
|
1198
|
DLS-Mon
|
Directory Location Service Monitor
|
