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Well-known TCP/UDP application port numbers  

The following are well-known application port numbers.


Number TCP/UDP Application Number TCP/UDP Application Number TCP/UDP Application
20
ftp-data
79
finger
179
bgp
21
ftp
80
http
194
irc
22
ssh
109
pop2
220
imap3
23
telnet
110
pop3
389
ldap
25
smtp
111
sunrpc
443
https
37
time
119
nntp
520
rip
42
name
123
ntp
554
rtsp
43
whois
143
imap
1645, 1812
Radius
53
domain
144
news
1813
Radius Acctg
69
tftp
161
snmp
1985
hsrp
70
gopher
162
snmptrap



See also:


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