Service Name
rfe
aol
x11
font-service
nas
iphone
iphone
iphone
iphone
Source: J. Reynolds and J. Postel, Assigned Numbers, RFC1700, available at these Web
sites:
• http://www.cis.ohio-state.edu/htbin/rfc/rfc1700.html
• ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers
Reference Guide
Port #
Protocol
Description
5002
TCP/UDP
Radio free ethernet
5190
TCP
America OnLine
6000
TCP/UDP
X Window System (through 6063)
7100
TCP/UDP
X Font Service
8000
TCP/UDP
NCD Network Audio Server
6670
TCP
for connecting to the phone server
22555
UDP
for audio
25793
TCP
for the address server, in 4.x and 5.0
1490
TCP
for the conference engine in 4.x and 5.0
Well-known services list
27