USRobotics NETServer/8 User Manual
Page 125
Packet Filters 8-11
Standard Port Numbers
The table below contains information on standard port numbers
for some common services. For a complete list, see the most
recent “Assigned Numbers” RFC (currently RFC 1700).
TCP
UDP
Description
20
-
File Transfer Protocol (data)
21
-
File Transfer Protocol (control)
23
-
Telnet
25
-
Simple Mail Transfer Protocol
43
43
Who Is
53
53
Domain Name Service
-
69
Trivial File Transfer Protocol
70
70
Gopher
79
79
Finger
80
-
World Wide Web HTTP
88
88
Kerberos
110
-
Post Office Protocol - Version 3
111
111
Sun Remote Procedure Call
113
113
Authentication Service
119
-
Network News Transfer Protocol
123
123
Network Time Protocol
161
161
SNMP (Total Control Manager)
162
162
SNMP trap
220
220
Interactive Mail Access Protocol v3
512
-
remote process execution
513
-
remote login (rlogin)
-
513
remote who (rwhod)
514
-
remote command (rsh)
-
514
Syslog accounting
515
-
lpd spooler
517
517
talk (terminal to terminal chat)