Port Numbers

Port	Description	Status
1/TCP,UDP	TCP Port Service Multiplexer	Official
2/TCP,UDP	Management Utility	Official
3/TCP,UDP	Compression Process	Official
4/TCP,UDP	Unassigned	Official
5/TCP,UDP	Remote Job Entry	Official
6/TCP,UDP	Unassigned	Official
7/TCP,UDP	Echo	Official
8/TCP,UDP	Unassigned	Official
9/TCP,UDP	Discard	Official
11/TCP,UDP	Active Users	Official
13/TCP,UDP	DAYTIME – (RFC 867)	Official
17/TCP,UDP	Quote of the Day	Official
18/TCP,UDP	Message Send Protocol	Official
19/TCP,UDP	Character Generator	Official
20/TCP	FTP – data	Official
21/TCP	FTP—control (command)	Official
22/TCP,UDP	Secure Shell (SSH)—used for secure logins, file transfers (scp, sftp) and port forwarding	Official
23/TCP	Telnet protocol—unencrypted text communications	Official
25/TCP,UDP	Simple Mail Transfer Protocol (SMTP)—used for e-mail routing between mail servers	Official
34/TCP,UDP	Remote File (RF)—used to transfer files between machines	Unofficial
35/TCP,UDP	Any private printer server protocol	Official
35/TCP,UDP	QMS Magicolor 2 printer server protocol	Unofficial
37/TCP,UDP	TIME protocol