Commonly used network ports.

Please find the commonly used network ports.
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#          Keyword Number Protocol(s) Description                                                #
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tcpmux 1 TCP, UDP TCP Port Service Multiplexer
echo         7 TCP, UDP Echo
discard 9 TCP, UDP Discard
systat 11 TCP Active Users
daytime 13 TCP, UDP Daytime (RFC 867)
qotd         17 TCP Quote of the Day
msp         18 TCP, UDP message send protocol
chargen 19 TCP, UDP Character Generator
ftp-data 20 TCP, UDP File transfer default data
ftp         21 TCP, UDP File transfer control
ssh         22 TCP, UDP Remote login protocol
telnet 23 TCP, UDP Telnet
smtp         25 TCP, UDP Simple Mail Transfer
time         37 TCP, UDP Time
rlp         39 TCP, UDP Resource location protocol
nameserver 42 TCP, UDP Host name server
whois   43 TCP, UDP Who is
re-mail-ck   50 TCP, UDP Remote mail checking protocol
domain  53 TCP, UDP Domain name server
bootps 67 TCP, UDP Bootstrap protocol server
bootpc 68 TCP, UDP Bootstrap protocol client
tftp         69 TCP, UDP Trivial file transfer protocol
gopher 70 TCP, UDP Gopher
finger 79 TCP, UDP Finger
www 80 TCP, UDP World wide web or HTTP
kerberos 88 TCP, UDP Kerberos
supdup 95 TCP, UDP SUPDUP
hostname 101 TCP, UDP NIC Host Name Server
iso-tsap 102 TCP, UDP ISO-TSAP Class 0
csnet-ns 105 TCP, UDP CCSO name server protocol
rtelnet 107 TCP, UDP Remote Telnet Service
pop-2 109 TCP, UDP Post Office Protocol - Version 2
pop-3 110 TCP, UDP Post Office Protocol - Version 3
sunrps 111 TCP, UDP SUN Remote Procedure Call
auth         113 TCP, UDP Authentication Service
sftp         115 TCP, UDP Simple File Transfer Protocol
uucp-path 117 TCP, UDP UUCP Path Service
nntp          119 TCP, UDP Network News Transfer Protocol
nyp          123 TCP, UDP Network Time Protocol
netbios-ne 137 TCP, UDP NETBIOS Name Service
netbios-dgram 138 TCP, UDP NETBIOS Datagram Service
netbios-ssn 139 TCP, UDP NETBIOS Session Service
imap            143 TCP, UDP Internet Message Access Protocol
snmp    161 TCP, UDP SNMP
snmp-trap    162 TCP, UDP SNMPTRAP
cmip-man    163 TCP, UDP CMIP/TCP Manager
cmip-agent  164 TCP, UDP CMIP/TCP Agent
xdmcp   177 TCP, UDP X Display Manager Control Protocol
nextstep   178 TCP, UDP NextStep Window Server
bgp           179 TCP, UDP Border Gateway Protocol
prospero   191 TCP, UDP Prospero Directory Service
irc           194 TCP, UDP Internet Relay Chat Protocol
smux           199 TCP, UDP SMUX


at-rtmp 201/tcp # AppleTalk routing
at-rtmp 201/udp
at-nbp 202/tcp # AppleTalk name binding
at-nbp 202/udp
at-echo 204/tcp # AppleTalk echo
at-echo 204/udp
at-zis 206/tcp # AppleTalk zone information
at-zis 206/udp
qmtp         209/tcp # The Quick Mail Transfer Protocol
qmtp         209/udp # The Quick Mail Transfer Protocol
z3950 210/tcp wais # NISO Z39.50 database
z3950 210/udp wais
ipx          213/tcp # IPX
ipx          213/udp
imap3 220/tcp # Interactive Mail Access
imap3 220/udp # Protocol v3
rpc2portmap 369/tcp
rpc2portmap 369/udp # Coda portmapper
codaauth2         370/tcp
codaauth2         370/udp # Coda authentication server
ulistserv         372/tcp # UNIX Listserv
ulistserv         372/udp
https         443/tcp # MCom
https        443/udp # MCom
snpp        444/tcp # Simple Network Paging Protocol
snpp        444/udp # Simple Network Paging Protocol
saft        487/tcp # Simple Asynchronous File Transfer
saft        487/udp # Simple Asynchronous File Transfer
npmp-local 610/tcp dqs313_qmaster # npmp-local / DQS
npmp-local 610/udp dqs313_qmaster # npmp-local / DQS
npmp-gui         611/tcp dqs313_execd # npmp-gui / DQS
npmp-gui         611/udp dqs313_execd # npmp-gui / DQS
hmmp-ind         612/tcp dqs313_intercell# HMMP Indication / DQS
hmmp-ind         612/udp dqs313_intercell# HMMP Indication / DQS
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#            UNIX specific services                                                      #
######################################################
exec         512/tcp
biff         512/udp comsat
login         513/tcp
who         513/udp whod
shell         514/tcp cmd # no passwords used
syslog 514/udp
printer 515/tcp spooler # line printer spooler
talk         517/udp
ntalk         518/udp
route         520/udp router routed # RIP
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 # uucp daemon
afpovertcp 548/tcp # AFP over TCP
afpovertcp 548/udp # AFP over TCP
remotefs          556/tcp rfs_server rfs # Brunhoff remote filesystem
klogin 543/tcp # Kerberized `rlogin' (v5)
kshell 544/tcp krcmd # Kerberized `rsh' (v5)
kerberos-adm 749/tcp # Kerberos `kadmin' (v5)
webster 765/tcp # Network dictionary
webster 765/udp

################################################
#   Kerberos (Project Athena/MIT) services                            #
################################################
# Note that these are for Kerberos v4, and are unofficial.  Sites running
# v4 should uncomment these and comment out the v5 entries above.
#
kerberos4 750/udp kerberos-iv kdc # Kerberos (server) udp
kerberos4 750/tcp kerberos-iv kdc # Kerberos (server) tcp
kerberos_master 751/udp # Kerberos authentication
kerberos_master 751/tcp # Kerberos authentication
passwd_server 752/udp # Kerberos passwd server
krb_prop 754/tcp # Kerberos slave propagation
krbupdate 760/tcp kreg # Kerberos registration
kpasswd 761/tcp kpwd # Kerberos "passwd"
kpop 1109/tcp # Pop with Kerberos
knetd 2053/tcp # Kerberos de-multiplexor
zephyr-srv 2102/udp # Zephyr server
zephyr-clt 2103/udp # Zephyr serv-hm connection
zephyr-hm 2104/udp # Zephyr hostmanager
eklogin 2105/tcp # Kerberos encrypted rlogin
#
# Unofficial but necessary (for NetBSD) services
#
supfilesrv 871/tcp # SUP server
supfiledbg 1127/tcp # SUP debugging
#
# Datagram Delivery Protocol services
#
rtmp 1/ddp # Routing Table Maintenance Protocol
nbp 2/ddp # Name Binding Protocol
echo 4/ddp # AppleTalk Echo Protocol
zip 6/ddp # Zone Information Protocol
#
# Services added for the Debian GNU/Linux distribution
poppassd 106/tcp # Eudora
poppassd 106/udp # Eudora
mailq 174/tcp # Mailer transport queue for Zmailer
mailq 174/tcp # Mailer transport queue for Zmailer
ssmtp 465/tcp # SMTP over SSL
gdomap 538/tcp # GNUstep distributed objects
gdomap 538/udp # GNUstep distributed objects
snews 563/tcp # NNTP over SSL
ssl-ldap 636/tcp # LDAP over SSL
omirr 808/tcp omirrd # online mirror
omirr 808/udp omirrd # online mirror
rsync 873/tcp # rsync
rsync 873/udp # rsync
simap 993/tcp # IMAP over SSL
spop3 995/tcp # POP-3 over SSL
socks 1080/tcp # socks proxy server
socks 1080/udp # socks proxy server
rmtcfg 1236/tcp # Gracilis Packeten remote config server
xtel 1313/tcp # french minitel
support 1529/tcp # GNATS
cfinger 2003/tcp # GNU Finger
ninstall 2150/tcp # ninstall service
ninstall 2150/udp # ninstall service
afbackup 2988/tcp # Afbackup system
afbackup 2988/udp # Afbackup system
icp 3130/tcp # Internet Cache Protocol (Squid)
icp 3130/udp # Internet Cache Protocol (Squid)
postgres 5432/tcp # POSTGRES
postgres 5432/udp # POSTGRES
fax 4557/tcp # FAX transmission service        (old)
hylafax 4559/tcp # HylaFAX client-server protocol  (new)
noclog 5354/tcp # noclogd with TCP (nocol)
noclog 5354/udp # noclogd with UDP (nocol)
hostmon 5355/tcp # hostmon uses TCP (nocol)
hostmon 5355/udp # hostmon uses TCP (nocol)
ircd 6667/tcp # Internet Relay Chat
ircd 6667/udp # Internet Relay Chat
webcache 8080/tcp # WWW caching service
webcache 8080/udp # WWW caching service
tproxy 8081/tcp # Transparent Proxy
tproxy 8081/udp # Transparent Proxy
mandelspawn 9359/udp mandelbrot # network mandelbrot
amanda 10080/udp # amanda backup services
kamanda 10081/tcp # amanda backup services (Kerberos)
kamanda 10081/udp # amanda backup services (Kerberos)
amandaidx 10082/tcp # amanda backup services
amidxtape 10083/tcp # amanda backup services
isdnlog 20011/tcp # isdn logging system
isdnlog 20011/udp # isdn logging system
vboxd 20012/tcp # voice box system
vboxd 20012/udp # voice box system
binkp 24554/tcp # Binkley
binkp 24554/udp # Binkley
asp 27374/tcp # Address Search Protocol
asp 27374/udp # Address Search Protocol
tfido 60177/tcp # Ifmail
tfido 60177/udp # Ifmail
fido 60179/tcp # Ifmail
fido 60179/udp # Ifmail

# Local services

linuxconf 98/tcp
swat              901/tcp                         # Add swat service used via inetd