下表是一些常见的网络服务和对应的端口号。 服务名称 端口号/协议 [别名]

ftp-data 20/tcp ftp 21/tcp telnet 23/tcp smtp 25/tcp mail time 37/tcp timserver time 37/udp timserver domain 53/tcp domain 53/udp tftp 69/udp gopher 70/tcp

http 80/tcp www www-http pop3 110/tcp nntp

119/tcp usenet

netbios-ns 137/tcp nbname netbios-ns 137/udp nbname netbios-dgm 138/udp nbdatagram netbios-ssn 139/tcp nbsession imap 143/tcp imap4 snmp 161/udp

snmptrap 162/udp snmp-trap irc 194/tcp ipx 213/udp ldap 389/tcp https 443/tcp MCom https 443/udp MCom uucp 540/tcp uucpd ldaps 636/tcp sldap doom 666/tcp doom 666/udp phone 1167/udp ms-sql-s

1433/tcp

#注释

#FTP, data #FTP. control

#Simple Mail Transfer Protocol

#Domain Name Server #Domain Name Server #Trivial File Transfer

#World Wide Web

#Post Office Protocol - Version 3

#Network News Transfer Protocol

#NETBIOS Name Service #NETBIOS Name Service #NETBIOS Datagram Service #NETBIOS Session Service #Internet Message Access Protocol #SNMP #SNMP trap

#Internet Relay Chat Protocol #IPX over IP

#Lightweight Directory Access Protocol

#LDAP over TLS/SSL #Doom Id Software #Doom Id Software #Conference calling #Microsoft-SQL-Server

ms-sql-s ms-sql-m ms-sql-m wins wins l2tp pptp radius radacct nfsd knetd man

1433/udp 1434/tcp 1434/udp 1512/tcp 1512/udp 1701/udp 1723/tcp 1812/udp 1813/udp 2049/udp nfs 2053/tcp 9535/tcp

#Microsoft-SQL-Server #Microsoft-SQL-Monitor #Microsoft-SQL-Monitor #Microsoft Windows Internet Name Service

#Microsoft Windows Internet Name Service

#Layer Two Tunneling Protocol #Point-to-point tunnelling protocol

#RADIUS authentication protocol

#RADIUS accounting protocol #NFS server

#Kerberos de-multiplexor #Remote Man Server

第二篇：基于完成端口的网络服务应用程序开发