A full list of ports can be
found at: ftp://ftp.isi.edu/in-notes/iana/assignments/port-numbers
Keyword Decimal Description References
------- ------- ----------- ----------
0/tcp Reserved
0/udp Reserved
tcpmux 1/tcp TCP Port Service Multiplexer
tcpmux 1/udp TCP Port Service Multiplexer
compressnet 2/tcp Management Utility
compressnet 2/udp Management Utility
compressnet 3/tcp Compression Process
compressnet 3/udp Compression Process
# 4/tcp Unassigned
# 4/udp Unassigned
rje 5/tcp Remote Job Entry
rje 5/udp Remote Job Entry
# 6/tcp Unassigned
# 6/udp Unassigned
echo 7/tcp Echo
echo 7/udp Echo
# 8/tcp Unassigned
# 8/udp Unassigned
discard 9/tcp Discard
discard 9/udp Discard
# 10/tcp Unassigned
# 10/udp Unassigned
systat 11/tcp Active Users
systat 11/udp Active Users
# 12/tcp Unassigned
# 12/udp Unassigned
daytime 13/tcp Daytime (RFC 867)
daytime 13/udp Daytime (RFC 867)
# 14/tcp Unassigned
# 14/udp Unassigned
# 15/tcp Unassigned [was netstat]
# 15/udp Unassigned
# 16/tcp Unassigned
# 16/udp Unassigned
qotd 17/tcp Quote of the Day
qotd 17/udp Quote of the Day
msp 18/tcp Message Send Protocol
msp 18/udp Message Send Protocol
chargen 19/tcp Character Generator
chargen 19/udp Character Generator
ftp-data 20/tcp File Transfer [Default Data]
ftp-data 20/udp File Transfer [Default Data]
ftp 21/tcp File Transfer [Control]
ftp 21/udp File Transfer [Control]
ssh 22/tcp SSH Remote Login Protocol
ssh 22/udp SSH Remote Login Protocol
telnet 23/tcp Telnet
telnet 23/udp Telnet
24/tcp any private mail system
24/udp any private mail system
smtp 25/tcp Simple Mail Transfer
smtp 25/udp Simple Mail Transfer
Keyword Decimal Description References
------- ------- ----------- ----------
# 26/tcp Unassigned
# 26/udp Unassigned
nsw-fe 27/tcp NSW User System FE
nsw-fe 27/udp NSW User System FE
# 28/tcp Unassigned
# 28/udp Unassigned
msg-icp 29/tcp MSG ICP
msg-icp 29/udp MSG ICP
# 30/tcp Unassigned
# 30/udp Unassigned
msg-auth 31/tcp MSG Authentication
msg-auth 31/udp MSG Authentication
# 32/tcp Unassigned
# 32/udp Unassigned
dsp 33/tcp Display Support Protocol
dsp 33/udp Display Support Protocol
# Ed Cain
# 34/tcp Unassigned
# 34/udp Unassigned
35/tcp any private printer server
35/udp any private printer server
# 36/tcp Unassigned
# 36/udp Unassigned
time 37/tcp Time
time 37/udp Time
rap 38/tcp Route Access Protocol
rap 38/udp Route Access Protocol
rlp 39/tcp Resource Location Protocol
rlp 39/udp Resource Location Protocol
# 40/tcp Unassigned
# 40/udp Unassigned
graphics 41/tcp Graphics
graphics 41/udp Graphics
name 42/tcp Host Name Server
name 42/udp Host Name Server
nameserver 42/tcp Host Name Server
nameserver 42/udp Host Name Server
nicname 43/tcp Who Is
nicname 43/udp Who Is
mpm-flags 44/tcp MPM FLAGS Protocol
mpm-flags 44/udp MPM FLAGS Protocol
mpm 45/tcp Message Processing Module [recv]
mpm 45/udp Message Processing Module [recv]
mpm-snd 46/tcp MPM [default send]
mpm-snd 46/udp MPM [default send]
ni-ftp 47/tcp NI FTP
ni-ftp 47/udp NI FTP
auditd 48/tcp Digital Audit Daemon
auditd 48/udp Digital Audit Daemon
tacacs 49/tcp Login Host Protocol (TACACS)
tacacs 49/udp Login Host Protocol (TACACS)
re-mail-ck 50/tcp Remote Mail Checking Protocol
re-mail-ck 50/udp Remote Mail Checking Protocol
la-maint 51/tcp IMP Logical Address Maintenance
la-maint 51/udp IMP Logical Address Maintenance
Keyword Decimal Description References
------- ------- ----------- ----------
xns-time 52/tcp XNS Time Protocol
xns-time 52/udp XNS Time Protocol
domain 53/tcp Domain Name Server
domain 53/udp Domain Name Server
xns-ch 54/tcp XNS Clearinghouse
xns-ch 54/udp XNS Clearinghouse
isi-gl 55/tcp ISI Graphics Language
isi-gl 55/udp ISI Graphics Language
xns-auth 56/tcp XNS Authentication
xns-auth 56/udp XNS Authentication
57/tcp any private terminal access
57/udp any private terminal access
xns-mail 58/tcp XNS Mail
xns-mail 58/udp XNS Mail
59/tcp any private file service
59/udp any private file service
60/tcp Unassigned
60/udp Unassigned
ni-mail 61/tcp NI MAIL
ni-mail 61/udp NI MAIL
acas 62/tcp ACA Services
acas 62/udp ACA Services
whois++ 63/tcp whois++
whois++ 63/udp whois++
covia 64/tcp Communications Integrator (CI)
covia 64/udp Communications Integrator (CI)
tacacs-ds 65/tcp TACACS-Database Service
tacacs-ds 65/udp TACACS-Database Service
sql*net 66/tcp Oracle SQL*NET
sql*net 66/udp Oracle SQL*NET
bootps 67/tcp Bootstrap Protocol Server
bootps 67/udp Bootstrap Protocol Server
bootpc 68/tcp Bootstrap Protocol Client
bootpc 68/udp Bootstrap Protocol Client
tftp 69/tcp Trivial File Transfer
tftp 69/udp Trivial File Transfer
gopher 70/tcp Gopher
gopher 70/udp Gopher
netrjs-1 71/tcp Remote Job Service
netrjs-1 71/udp Remote Job Service
netrjs-2 72/tcp Remote Job Service
netrjs-2 72/udp Remote Job Service
netrjs-3 73/tcp Remote Job Service
netrjs-3 73/udp Remote Job Service
netrjs-4 74/tcp Remote Job Service
netrjs-4 74/udp Remote Job Service
75/tcp any private dial out service
75/udp any private dial out service
deos 76/tcp Distributed External Object Store
deos 76/udp Distributed External Object Store
77/tcp any private RJE service
77/udp any private RJE service
vettcp 78/tcp vettcp
vettcp 78/udp vettcp
finger 79/tcp Finger
Keyword Decimal Description References
------- ------- ----------- ----------
finger 79/udp Finger
http 80/tcp World Wide Web HTTP
http 80/udp World Wide Web HTTP
www 80/tcp World Wide Web HTTP
www 80/udp World Wide Web HTTP
www-http 80/tcp World Wide Web HTTP
www-http 80/udp World Wide Web HTTP
hosts2-ns 81/tcp HOSTS2 Name Server
hosts2-ns 81/udp HOSTS2 Name Server
xfer 82/tcp XFER Utility
xfer 82/udp XFER Utility
mit-ml-dev 83/tcp MIT ML Device
mit-ml-dev 83/udp MIT ML Device
ctf 84/tcp Common Trace Facility
ctf 84/udp Common Trace Facility
mit-ml-dev 85/tcp MIT ML Device
mit-ml-dev 85/udp MIT ML Device
mfcobol 86/tcp Micro Focus Cobol
mfcobol 86/udp Micro Focus Cobol
87/tcp any private terminal link
87/udp any private terminal link
kerberos 88/tcp Kerberos
kerberos 88/udp Kerberos
su-mit-tg 89/tcp SU/MIT Telnet Gateway
su-mit-tg 89/udp SU/MIT Telnet Gateway
########### PORT 90 also being used unofficially by Pointcast #########
dnsix 90/tcp DNSIX Securit Attribute Token Map
dnsix 90/udp DNSIX Securit Attribute Token Map
mit-dov 91/tcp MIT Dover Spooler
mit-dov 91/udp MIT Dover Spooler
npp 92/tcp Network Printing Protocol
npp 92/udp Network Printing Protocol
dcp 93/tcp Device Control Protocol
dcp 93/udp Device Control Protocol
objcall 94/tcp Tivoli Object Dispatcher
objcall 94/udp Tivoli Object Dispatcher
supdup 95/tcp SUPDUP
supdup 95/udp SUPDUP
dixie 96/tcp DIXIE Protocol Specification
dixie 96/udp DIXIE Protocol Specification
swift-rvf 97/tcp Swift Remote Virtural File Protocol
swift-rvf 97/udp Swift Remote Virtural File Protocol
tacnews 98/tcp TAC News
tacnews 98/udp TAC News
metagram 99/tcp Metagram Relay
metagram 99/udp Metagram Relay
newacct 100/tcp [unauthorized use]
hostname 101/tcp NIC Host Name Server