UTT Technologies
Appendix D Common Service Ports
domain
53
udp
Domain Name Server
bootps
67
udp
Bootstrap Protocol Server
bootpc
68
udp
Bootstrap Protocol Client
tftp
69
udp
Trivial File Transfer
gopher
70
tcp
finger
79
tcp
http
80
tcp
World Wide Web
kerberos
88
tcp
Kerberos
kerberos
88
udp
Kerberos
hostname
101
tcp
NIC Host Name Server
iso-tsap
102
tcp
ISO-TSAP Class 0
rtelnet
107
tcp
Remote Telnet Service
pop2
109
tcp
Post Office Protocol - Version 2
pop3
110
tcp
Post Office Protocol - Version 3
sunrpc
111
tcp
SUN Remote Procedure Call
sunrpc
111
udp
SUN Remote Procedure Call
auth
113
tcp
Identification Protocol
uucp-path
117
tcp
nntp
119
tcp
Network News Transfer Protocol
ntp
123
udp
Network Time Protocol
epmap
135
tcp
DCE endpoint resolution
epmap
135
udp
DCE endpoint resolution
netbios-ns
137
tcp
NETBIOS Name Service
netbios-ns
137
udp
NETBIOS Name Service
netbios-dgm
138
udp
NETBIOS Datagram Service
netbios-ssn
139
tcp
NETBIOS Session Service
imap
143
tcp
Internet Message Access Protocol
pcmail-srv
158
tcp
PCMail Server
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