Well-known services list
Service Name
courier
conference
netnews
netwall
uucp
uucp-rlogin
klogin
kshell
dhcpv6-client
dhcpv6-server
cybercash
remotefs
9pfs
whoami
msn
doom
kerberos-adm
webster
phonebook
socks
hermes
lotusnote
netware-csp
novell-lu6.2
netopia
ms-sql-s
ms-sql-m
winframe
watcom-sql
ingreslock
groupwise
nfs
www-dev
ccmail
ICQ
Firstclass
compuserve
26
Port #
Protocol
Description
530
TCP/UDP
Rpc
531
TCP/UDP
Chat
532
TCP/UDP
Readnews
533
TCP/UDP
For emergency broadcasts
540
TCP/UDP
Uucpd
541
TCP/UDP
Uucp-rlogin Stuart Lynne
543
TCP/UDP
544
TCP/UDP
Krcmd
546
TCP/UDP
DHCPv6 Client
547
TCP/UDP
DHCPv6 Server
551
TCP/UDP
Cybercash
556
TCP/UDP
Rfs server
564
TCP/UDP
Plan 9 file service
565
TCP/UDP
Whoami
569
TCP
Microsoft Network
666
TCP/UDP
Doom Id Software
749
TCP/UDP
Kerberos administration
765
TCP/UDP
767
TCP/UDP
Phone
1080
TCP/UDP
Socks
1248
TCP/UDP
1352
TCP/UDP
Lotus Notes
1366
TCP/UDP
Novell NetWare Comm Service Platform
1416
TCP/UDP
Novell LU6.2
1419
UDP
Netopia Virtual Office
8000
TCP
1433
TCP/UDP
Microsoft-SQL-Server
1434
TCP/UDP
Microsoft-SQL-Monitor
1494
TCP
WinFrame
1498
TCP/UDP
Watcom-SQL
1524
TCP/UDP
Ingres
1677
TCP
GroupWise
2049
TCP/UDP
2784
TCP/UDP
World Wide Web - development
3264
TCP/UDP
Cc:mail/lotus
2109
TCP
ICQ used for chat
4000
UDP
3000
TCP
FirstClass (ftp channel on 510 TCP)
30004
4144
TCP
CompuServe Online