> Where can one find a listing of the tcp/ip ports, by
> number and function?  I don't know how to ask the
> question on Alta Vista.  Thanx.  --doug
> ..

{eric@ns:/usr/home/eric} more /etc/services

#
# Network services, Internet style
#
# Note that it is presently the policy of IANA to assign a single well-known
# port number for both TCP and UDP; hence, most entries here have two
entries
# even if the protocol doesn't support UDP operations.
# Updated from RFC 1700, ``Assigned Numbers'' (October 1994).  All ports
# are included.
#
# The lastest IANA port assignments can be gotten from
#       http://www.isi.edu/in-notes/iana/assignments/port-numbers
# The Well Known Ports are those from 0 through 1023.
# The Registered Ports are those from 1024 through 49151
# The Dynamic and/or Private Ports are those from 49152 through 65535
#
# Kerberos services are for Kerberos v4, and are unofficial.  Sites running
# v5 should uncomment v5 entries and comment v4 entries.
#
#       $Id: services,v 1.55 1998/09/16 15:42:32 des Exp $
#       From: @(#)services      5.8 (Berkeley) 5/9/91
#
# WELL KNOWN PORT NUMBERS
#
rtmp              1/ddp    #Routing Table Maintenance Protocol
tcpmux            1/tcp    #TCP Port Service Multiplexer
tcpmux            1/udp    #TCP Port Service Multiplexerhere have two
entries
nbp               2/ddp    #Name Binding Protocolions.
compressnet       2/tcp    #Management Utility(October 1994).  All ports
compressnet       2/udp    #Management Utility
compressnet       3/tcp    #Compression Process
compressnet       3/udp    #Compression Processen from
echo              4/ddp    #AppleTalk Echo Protocols/port-numbers
rje               5/tcp    #Remote Job Entryugh 1023.
rje               5/udp    #Remote Job Entryhrough 49151
zip               6/ddp    #Zone Information Protocol52 through 65535
echo              7/tcp
echo              7/udp for Kerberos v4, and are unofficial.  Sites running
discard           9/tcp    sink null comment v4 entries.
discard           9/udp    sink null
systat           11/tcp    users        #Active UsersExp $
systat           11/udp    users        #Active Users
daytime          13/tcp
daytime          13/udpRS
qotd             17/tcp    quote        #Quote of the Day
qotd             17/udp    quote        #Quote of the Daytocol
msp              18/tcp    #Message Send Protocolftp-data         20/tcp
#File Transfer [Default Data]
ftp-data         20/udp    #File Transfer [Default Data]
ftp              21/tcp    #File Transfer [Control]rsExp $
ftp              21/udp    #File Transfer [Control]rs
ssh              22/tcp    #Secure Shell Login
ssh              22/udp    #Secure Shell Login
telnet           23/tcp    quote        #Quote of the Day
telnet           23/udp    quote        #Quote of the Daytocol
#                24/tcp    any private mail system
#                24/udp    any private mail system
smtp             25/tcp    mail         #Simple Mail Transfernerator
smtp             25/udp    mail         #Simple Mail Transfer
nsw-fe           27/tcp    #NSW User System FE
nsw-fe           27/udp    #NSW User System FE
msg-icp          29/tcp    #MSG ICP
msg-icp          29/udp    #MSG ICP
msg-auth         31/tcp    #MSG Authentication
msg-auth         31/udp    #MSG Authentication
dsp              33/tcp    #Display Support Protocol
dsp              33/udp    #Display Support Protocol
#                35/tcp    any private printer server
#                35/udp    any private printer server
time             37/tcp    timserver
msp              18/udp    #Message Send Protocol
chargen          19/tcp    ttytst source        #Character Generator
#####################
etc. etc.
you get the picture.....

Eric Cifreo
Austin, TX
Go Chuck!



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