Ports
Common ports
Service Port tcp/udp Description
------- -------- -------- -----------
chargen 19 tcp, udp (Unix)
daytime 13 udp (Unix)
dhcp/bootp 67, 68 udp dynamic host configuration protocol
discard 9 tcp, udp (Unix)
dns 53 tcp, udp domain name system
echo 7 udp (Unix)
finger 79 tcp (Unix)
ftp 20, 21 tcp file transfer protocol
http 80 tcp hyper text transfer protocol
https 443 tcp secure http
imap 143 tcp internet message access protocol
irc 194 tcp internet relay chat
ircs 994 tcp secure irc
kerberos 88 tcp
ldap 389 tcp, udp lightweight directory access protocol
nfs 2049 tcp, upd (Unix)
nntp 119 tcp network news transfer protocol
ntp 123 udp network time protocol
ping 7
pop 110 tcp post office protocol
pop3 110 tcp post office protocol, version 3
quote 17 udp (Unix)
rpc 11 udp remote procedure call (Unix)
rsh 514 tcp remote shell protocol (Unix)
smtp 25 tcp simple mail transfer protocol
snmp 161, 162 tcp, udp simple network management protocol
ssh 22 tcp secure shell protocol (Unix)
telnet 23 tcp
tftp 69 udp trivial file transfer protocol
vnc 5800, 5900 tcp virtual network computing
Resources
- Registered Ports - iana.org
- http://www.iana.org/assignments/port-numbers - Registered ports