1 - TCP Port Service Multiplexer,
7 - Echo,
9 - Discard,
11 - Systat,
13 - Daytime,
17 - qotd [Quote of the Day],
19 - Chargen,
21 - ftp [File Transfer Protocol],
22 - SSH,
23 - Telnet,
25 - smtp [Simple Mail Transfer Protocol],
37 - Time,
38 - Route Access Protocol,
42 - Nameserver,
43 - Whois,
49 - Login Host Protocol,
53 - DNS [Domain Name Server],
59 - DCC Server,
70 - Gopher,
79 - Finger,
80 - http [Hyper Text Transfer Protocol],
88 - Kerberos,
106 - poppassd aka epass,
107 - Remote Telnet,
109 - pop2 [Post Office Protocol - Version 2],
110 - pop3 [Post Office Protocol - Version 3],
111 - sunrpc [SUN Remote Procedure Call],
113 - ident,
115 - sftp [Simple File Transfer Protocol],
119 - nntp [Network News Transfer Protocol],
137 - NETBIOS Name Service,
138 - NETBIOS Datagram Service,
139 - NETBIOS Session Service,
143 - imap2 [Interactive Mail Access Protocol v2],
220 - imap3 [Interactive Mail Access Protocol v3],
407 - Timbuktu [Screen Sharing Program],
512 - exec [Remote Process Execution],
513 - rlogin [Remote Login],
514 - cmd [Automatic Process Execution],
515 - Printer Spooler,
517 - talk,
540 - uucp [Unix-To-Unix Copy Protocol],
666 - Doom PID [ID Software],
1080 - Socks Proxy,
1352 - Lotus Notes,
1433 - Microsoft-SQL-Server,
1434 - Microsoft-SQL-Monitor,
3128 - HTTP Proxy,
5190 - America-Online,
5191 - America-Online1,
5192 - America-Online2,
5193 - America-Online3,
6000 - X Windows System,
8080 - HTTP Proxy