Common Ports & Protocols

TCP	Port	UDP	Port
FTP	21	DNS	53
SSH	22	DHCP	67
Telnet	23	DHCP	68
SMTP	25	TFTP	69
DNS	53	SNMP	161
HTTP	80
POP3	110
SMB	135
IMAP	143
HTTPS (SSL)	443
SMB	445
POP3 (SSL)	995
IMAP (SSL)	996