常用服务及端口 服务名称 端口号/协议 别名 说明 echo 7/tcp     echo 7/udp     discard 9/tcp sink null   discard 9/udp sink null   systat 11/tcp users #Active users daytime 13/tcp     daytime 13/udp     qotd 17/tcp quote #Quote of the day qotd 17/udp quote #Quote of the day chargen 19/tcp ttytst source #Character generator chargen 19/udp ttytst source #Character generator ftp-data 20/tcp   #FTP, data ftp 21/tcp   #FTP, control telnet 23/tcp     smtp 25/tcp mail #Simple Mail Transfer Protocol time 37/tcp Timserver   time 37/udp Timserver   rlp 39/udp resource #Resource Location Protocol nameserver 42/tcp name #Host Name Server nameserver 42/udp name #Host Name Server nicname 43/tcp Whois   domain 53/tcp   #Domain Name Server domain 53/udp   #Domain Name Server bootps 67/udp dhcps #Bootstrap Protocol Server bootpc 68/udp dhcpc #Bootstrap Protocol Client tftp 69/udp   #Trivial File Transfer gopher 70/tcp     finger 79/tcp     http 80/tcp www www-http #World Wide Web kerberos 88/tcp Krb5 kerberos-sec #Kerberos kerberos 88/udp Krb5 kerberos-sec #Kerberos hostname 101/tcp hostnames #NIC Host Name Server iso-tsap 102/tcp   #ISO-TSAP Class 0 rtelnet 107/tcp   #Remote Telnet Service pop2 109/tcp postoffice #Post Office Protocol – Version 2 pop3 110/tcp   #Post Office Protocol – Version 3 sunrpc 111/tcp Rpcbind portmap #SUN Remote Procedure Call sunrpc 111/udp Rpcbind portmap #SUN Remote Procedure Call auth 113/tcp Ident tap #Identification Protocol uucp-path 117/tcp     nntp 119/tcp usenet #Network New Transfer Protocol ntp 123/udp   #Network Time Protocol epmap 135/tcp Loc-srv #DCE endpoint resolution epmap 135/udp Loc-srv #DCE endpoint resolution netbios-ns 137/tcp nbname #NETBIOS Name Service netbios-ns 137/udp nbname #NETBIOS Name Service netbios-dgm 138/udp nbdatagram #NETBIOS Datagram Service netbios-ssn 139/tcp nbsession #NETBIOS Session Service imap 143/tcp imap4 #Internet Message Access Protocol pcmail-srv 158/tcp   #PCMail Server snmp 161/udp   #SNMP snmptrap 162/udp Snmp-trap #SNMP trap print-srv 170/tcp   #Network PostScript bgp 179/tcp   #Border Gateway Protocol irc 194/tcp   #Internet Relay Chat Protocol ipx 213/udp   #IPX over IP ldap 389/tcp   #Lightweight Directory Access Protocol https 443/tcp MCom   https 443/udp Mcom   microsoft-ds 445/tcp     microsoft-ds 445/udp     kpasswd 464/tcp   # Kerberos (v5) kpasswd 464/udp   # Kerberos (v5) isakmp 500/udp ike #Internet Key Exchange exec 512/tcp   #Remote Process Execution biff 512/udp comsat   login 513/tcp   #Remote Login who 513/udp whod   cmd 514/tcp shell   syslog 514/udp     printer 515/tcp spooler   talk 517/udp     ntalk 518/udp     efs 520/tcp   #Extended File Name Server router 520/udp Route routed   timed 525/udp timeserver   tempo 526/tcp newdate   courier 530/tcp rpc   conference 531/tcp chat   netnews 532/tcp readnews   netwall 533/udp   #For emergency broadcasts uucp 540/tcp uucpd   klogin 543/tcp   #Kerberos login kshell 544/tcp krcmd #Kerberos remote shell new-rwho 550/udp new-who   remotefs 556/tcp rfs rfs_server   rmonitor 560/udp rmoitord   monitor 561/udp     ladps 636/tcp sldap #LDAP over TLS/SSL doom 666/tcp   #Doom Id Software doom 666/udp   #Doom Id Software kerberos-adm 749/tcp   #Kerberos administration kerberos-adm 749/udp   #Kerberos administration kerberos-iv 750/udp   #Kerberos version IV kpop 1109/tcp   #Kerberos POP phone 1167/udp   #Conference calling ms-sql-s 1433/tcp   #Microsoft-SQL-Server ms-sql-s 1433/udp   #Microsoft-SQL-Server ms-sql-m 1434/tcp   #Microsoft-SQL-Monitor ms-sql-m 1434/udp   #Microsoft-SQL-Monitor wins 1512/tcp   #Microsoft Windows Internet Name Service wins 1512/udp   #Microsoft Windows Internet Name Service ingreslock 1524/tcp ingres   12tp 1701/udp   #Layer Two Tunneling Protocol pptp 1723/tcp   #Point-to-point tunneling protocol radius 1812/udp   #RADIUS authentication protocol radacct 1813/udp   #RADIUS accounting protocol nfsd 2049/udp nfs #NFS server knetd 2053/tcp   #Kerberos de-multiplexor man 9535/tcp   #Remote Man Server