常见端口及对应服务

表

20	FTP	File Transfer Protocol Data
21	FTP	File Transfer Protocol
22	SSH	Secure Shell
23	TTS	Tiny Telnet Server
25	SMTP	Simple Mail Transfer Protocol
53	DNS	Domain Name System
67	BOOTP	Bootstrap Protocol Server
68	BOOTP	Bootstrap Protocol Client
69	TFTP	Trivial File Transfer Protocol
80	HTTP	HyperText Transport Protocol
109	POP2	Post Office Protocol Version 2
110	POP3	Post Office Protocol Version 3
123	NTP	Network Time Protocol
135	RPC	Remote Procedure Call
139	NetBIOS	NetBIOS Session Service
143	IMAP	Internet Message Access Protocol
161	SNMP	Simple Network Management Protocol
443	HTTPS	Hyper Text Transfer Protocol over Secure Socket Layer
465	SMTPS	Simple Mail Transfer Protocol over Secure Socket Layer
554	RTSP	Real Time Streaming Protocol
993	IMAPS	Internet Message Access Protocol over Secure Socket Layer
995	POP3S	Post Office Protocol Version 3 over Secure Socket Layer