Common Network Ports

Front

SSH - Secure Shell

Back

A protocol for secure remote login and other secure network services.

Front

Telnet
Options: 21, 22, 23, 24

Back

23

Front

SMTP- Simple Mail Transfer Protocol

Back

25

Front

Domain Name System (DNS)

Back

53

Front

HTTP-Hypertext Transfer Protocol

Back

80

Front

HTTPS - Hypertext Transfer Protocol Secure

Back

443

Front

IMAP4 - Internet message access protocol version 4

Back

143

Front

RDP - Remote Desktop Protocol

Back

3389

Front

A network management protocol used on UDP/IP networks whereby this server dynamically assigns an IP address and other network configuration parameters to each device on a network so they can communicate with other IP networks.

Back

DHCP

Front

It is used for secure communication over a computer network, and is widely used on the Internet.

Back

https