第二篇：常用的IP端口号
1、端口号1－1023称为具命端口或约定端口。
仅供系统进程或特权用户执行的程序使用。如果计算机在与远程计算机通信时知道使用何种端口，则给进程分配具命端口很容易。例如，请求WEB页的计算机一般向端口80发送请求，接收的计算机假定到达端口80的报文使用超文本传输协议请求WEB页。
2、端口号1024－49151称为注册端口
实体可为了某种野鼠用途向IANA申请端口。IANA负责维护已注册端口列表，有些注册端口被分配给公司使用。如果网络没有根据其注册用途使用该组端口，则可随意将这些端口使用于任何用途。
3、端口号49152－65535称为动态或私有端口
IANA没有将其分配给任何进程，网络可以将这些端口用于任何用途。
IANA定义的常见服务的端口号列表[1]
(2006-02-28 15:47:04)
转载
分类： 计算机网络
# Copyright (c) 1993-1999 Microsoft Corp.
#
# <service name> <port number>/<protocol> [aliases...] [#<comment>]#
echo 7/tcp
echo 7/udp
discard 9/tcp sink null
discard 9/udp sink null
systat 11/tcp users #Active users
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 News 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 rmonitord
monitor 561/udp
ldaps 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