Port Numbers
The following list contains port numbers for well-known services as defined by RFC 1060 (Assigned Numbers).
Format:
<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
systat
11/tcp users
daytime 13/tcp
daytime 13/udp
netstat 15/tcp
qotd
17/tcp quote
qotd
17/udp quote
chargen
19/tcp ttytst source
chargen
19/udp ttytst source
ftp-data 20/tcp
ftp
21/tcp
telnet 23/tcp
smtp
25/tcp mail
time
37/tcp timserver
time
37/udp timserver
rlp
39/udp resource # resource location
name
42/tcp nameserver
name
42/udp nameserver
whois
43/tcp nicname # usually to sri-nic
domain
53/tcp nameserver # name-domain server
domain
53/udp nameserver
nameserver 53/tcp
domain # name-domain server
nameserver 53/udp
domain
mtp
57/tcp
# deprecated
bootp
67/udp
# boot program server
tftp
69/udp
rje
77/tcp netrjs
finger 79/tcp
link
87/tcp ttylink
supdup 95/tcp
hostnames 101/tcp
hostname # usually from sri-nic
iso-tsap 102/tcp
dictionary 103/tcp webster
x400
103/tcp
# ISO Mail
x400-snd 104/tcp
csnet-ns 105/tcp
pop
109/tcp postoffice
pop2
109/tcp
# Post Office
pop3
110/tcp postoffice
portmap 111/tcp
portmap 111/udp
sunrpc 111/tcp
sunrpc 111/udp
auth
113/tcp authentication
sftp
115/tcp
path
117/tcp
uucp-path 117/tcp
nntp
119/tcp usenet # Network News
Transfer
ntp
123/udp ntpd ntp # network time protocol
nbname 137/udp
nbdatagram 138/udp
nbsession 139/tcp
NeWS
144/tcp news
sgmp
153/udp sgmp
tcprepo
158/tcp repository # PCMAIL
snmp
161/udp snmp
snmp-trap 162/udp
snmp
print-srv
170/tcp
# network PostScript
vmnet 175/tcp
load
315/udp
vmnet0 400/tcp
sytek 500/udp
biff
512/udp comsat
exec
512/tcp
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
efs
520/tcp
# for LucasFilm
route
520/udp router routed
timed
525/udp timeserver
tempo
526/tcp newdate
courier
530/tcp rpc
conference 531/tcp chat
rvd-control 531/udp MIT disk
netnews
532/tcp readnews
netwall
533/udp
# -for emergency broadcasts
uucp
540/tcp uucpd # uucp
daemon
klogin
543/tcp
# Kerberos authenticated rlogin
kshell
544/tcp cmd
# and remote shell
new-rwho
550/udp new-who # experimental
remotefs
556/tcp rfs_server rfs# Brunhoff remote filesystem
rmonitor
560/udp rmonitord # experimental
monitor
561/udp
# experimental
garcon 600/tcp
maitrd 601/tcp
busboy 602/tcp
acctmaster 700/udp
acctslave 701/udp
acct
702/udp
acctlogin 703/udp
acctprinter 704/udp
elcsd
704/udp
# errlog
acctinfo 705/udp
acctslave2 706/udp
acctdisk 707/udp
kerberos
750/tcp kdc
# Kerberos authentication--tcp
kerberos
750/udp kdc
# Kerberos authentication--udp
kerberos_master
751/tcp
# Kerberos authentication
kerberos_master
751/udp
# Kerberos authentication
passwd_server
752/udp
# Kerberos passwd server
userreg_server
753/udp
# Kerberos userreg server
krb_prop
754/tcp
# Kerberos slave propagation
erlogin
888/tcp
# Login and environment passing
kpop
1109/tcp
# Pop with Kerberos
phone 1167/udp
ingreslock 1524/tcp
maze 1666/udp
nfs
2049/udp
# sun nfs
knetd
2053/tcp
# Kerberos de-multiplexor
eklogin
2105/tcp
# Kerberos encrypted rlogin
rmt
5555/tcp rmtd
mtb
5556/tcp mtbd #
mtb backup
man
9535/tcp
# remote man server
w
9536/tcp
mantst
9537/tcp
# remote man server, testing
bnews 10000/tcp
rscs0 10000/udp
queue 10001/tcp
rscs1 10001/udp
poker 10002/tcp
rscs2 10002/udp
gateway 10003/tcp
rscs3 10003/udp
remp 10004/tcp
rscs4 10004/udp
rscs5 10005/udp
rscs6 10006/udp
rscs7 10007/udp
rscs8 10008/udp
rscs9 10009/udp
rscsa 10010/udp
rscsb 10011/udp
qmaster 10012/tcp
qmaster 10012/udp
All contents copyright © 1999 ZyXEL Communications Corporation.