Reference Guide
25
Well-Known Services List
hosts2-ns
81
TCP/UDP
HOSTS2 Name Server
xfer
82
TCP/UDP
XFER utility
mit-ml-dev
83
TCP/UDP
MIT ML device
ctf
84
TCP/UDP
Common Trace Facility
mit-ml-dev
85
TCP/UDP
MIT ML device
mfcobol
86
TCP/UDP
Micro Focus Cobol
kerberos
88
TCP/UDP
Kerberos
sug-mit-tug
89
TCP/UDP
SU/MIT Telnet gateway
dnsix
90
TCP/UDP
DNSIX Secure Application Token Map
mit-dov
91
TCP/UDP
MIT Dover Spooler
npp
92
TCP/UDP
Network Printing Protocol
dcp
93
TCP/UDP
Device Control Protocol
objcall
94
TCP/UDP
Tivoli Object Dispatcher
supdup
95
TCP/UDP
SUPDUP
dixie
96
TCP/UDP
DIXIE Protocol Specification
swift-rvf
97
TCP/UDP
Swift Remote Virtual File Protocol
tacnews
98
TCP/UDP
TAC News
metagram
99
TCP/UDP
Metagram Relay
newacct
100
TCP
[unauthorized use]
hostname
101
TCP/UDP
NIC Host Name Server
iso-tsap
102
TCP/UDP
ISO-TSAP
gppitnp
103
TCP/UDP
Genesis Point-to-Point Trans Net
acr-nema
104
TCP/UDP
ACR-NEMA Digital Imag. Comm. 300
cso
105
TCP/UDP
CCSO name server protocol
csnet-ns
105
TCP/UDP
Mailbox Name Nameserver
3com-tsmux
106
TCP/UDP
3COM-TSMUX
rtelnet
107
TCP/UDP
Remote Telnet Service
snagas
108
TCP/UDP
SNA Gateway Access Server
pop2
109
TCP/UDP
Post Office Protocol - Version 2
pop3
110
TCP/UDP
Post Office Protocol - Version 3
sunrpc
111
TCP/UDP
SUN Remote Procedure Call
mcidas
112
TCP/UDP
McIDAS Data Transmission Protocol
auth(ident)
113
TCP/UDP
Authentication Service
audionews
114
TCP/UDP
Audio News Multicast
sftp
115
TCP/UDP
Simple File Transfer Protocol
ansanotify
116
TCP/UDP
ANSA REX Notify
uucp-path
117
TCP/UDP
UUCP Path Service
sqlserv
118
TCP/UDP
SQL Services
nntp
119
TCP/UDP
Network News Transfer Protocol
Service Name
Port #
Protocol
Description