The following table represents common ports found on most Internet-based servers:

PORT	DESCRIPTION / USE
20	FTP
21	FTP
22	Secure Telnet / SSH
25	SMTP
79	Finger
80	Web Server
109	POP2
110	POP3
119	Network News
123	Network Time
143	IMAP2
161	SNMP
194	IRC
220	IMAP3
389	LDAP
443	Secure Web Server (SSL)
540	UUCP

Ports over 1024 are user-defined ports. Our port monitoring can monitor any Internet port.