| Port number
|
Protocol
|
Aplication
|
Acronym
|
| 20
|
TCP
|
File Transfer Protocol (data)
|
FTP
|
| 21
|
TCP
|
FIle Transfer Protocol (control)
|
STP
|
| 22
|
TCP
|
Secure Shell
|
SSH
|
| 23
|
TCP
|
Telnet
|
|
| 25
|
TCP
|
Simple Mail Transfer Protocol
|
SMTP
|
| 53
|
UDP, TCP
|
Domain Name Service
|
DNS
|
| 67
|
UDP
|
Dynamic Host Configuration Protocol (server)
|
DHCP
|
| 68
|
UDP
|
Dynamic Host Configuration Protocol (client)
|
DHCP
|
| 69
|
UDP
|
Trivial File Transfer Protocol
|
TFTP
|
| 80
|
TCP
|
Hypertext Transfer Protocol
|
HTTP
|
| 110
|
TCP
|
Post Office Protocol version 3
|
POP3
|
| 143
|
TCP
|
Internet Message Acces Protocol
|
IMAP
|
| 161
|
UDP
|
Simple Network Management Protocol
|
SNMP
|
| 443
|
TCP
|
Hypertext Transfer Protocol Secure
|
HTTPS
|
| 137-139, 445
|
TCP
|
Server Message Block
|
SMB
|
| 548/427
|
TCP
|
Apple Filling Protocol
|
AFP
|
| 3389
|
TCP, UDP
|
Remote Desktop Protocol
|
RDP
|
