SERVICE	PORT NUMBER	PROTOCOL	ALIAS	DESCRIPTION
Echo	Portnumber 07	TCP
Echo	Portnumber 07	UDP
Discard	Portnumber 09	TCP	Sink Null
Discard	Portnumber 09	UDP	Sink Null
Systat	Portnumber 11	TCP	Users	Active users
Systat	Portnumber 11	UDP	Users	Active users
Daytime	Portnumber 13	TCP
Daytime	Portnumber 13	UDP
Qotd	Portnumber 17	TCP	Quote	Quote of the day
Qotd	Portnumber 17	UDP	Quote	Quote of the day
Chargen	Portnumber 19	TCP	ttytst source	Character generator
Chargen	Portnumber 19	UDP	ttytst source	Character generator
FTP Data	Portnumber 20	TCP	FTP	Data
FTP	Portnumber 21	TCP	FTP	Control
Telnet	Portnumber 23	TCP
SMTP	Portnumber 25	TCP	Mail	Simple Mail Transfer Protocol
Time	Portnumber 37	TCP	Time	Time Server
Time	Portnumber 37	UDP	Time	Time Server
				Resource Location Protocol
			Name	Host Name Server
			Name	Host Name Server
			Whois
				Domain Name Server
				Domain Name Server
			dhcps	Bootstrap Protocol Server
			dhcpc	Bootstrap Protocol Client
				Trivial File Transfer
			www www-http	World Wide Web