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Top 14 Common Network ports you should know

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Top 14 Common Network ports you should know

The top 14 Common Network ports you should know is the main object of this article so the physical ports on your computer connect with peripheral devices such as your keyboard and mouse and attach with internet devices via Ethernet cables.

Within computer networking, ports help a like purpose. When a computer system seeks to attach to another computer, the port helps as a message endpoint.

Types of Network Connectors

It is also likely for dissimilar services consecutively on the same computer to expose many ports and connect using these ports. If a software claim or service needs to connect with others in simple terms, it will depict a port.

Ports are recognized with positive 16-bit unsigned integers, ranging from 0 to 65535. Other facilities use this port number to connect with the facility or app.

Port numbers are separated into three ranges: well-known ports registered ports and dynamic or private ports.

Following are the common well known top 14 Common Network ports you should know

Port Number



File Transfer Protocol (FTP) Data Transfer


File Transfer Protocol (FTP) Command Control


Secure Shell (SSH)


Telnet – Remote login service, unencrypted text messages


Simple Mail Transfer Protocol (SMTP) E-mail Routing


Domain Name System (DNS) service


Hypertext Transfer Protocol (HTTP) used in World Wide Web

Post Office Protocol (POP3) used by e-mail clients to retrieve e-mail from a server


Network News Transfer Protocol (NNTP)


Network Time Protocol (NTP)


Internet Message Access Protocol (IMAP) Management of Digital Mail


Simple Network Management Protocol (SNMP)

Internet Relay Chat (IRC)



I most usually come crossways ports 80, 443, 20, 21, 22, 23, 25, and 53. Meaningful these ports can help you work more professionally.

The Internet Assigned Numbers Authority (IANA) has allocated port numbers to typically used services like SSH, FTP, HTTP, HTTPS, and others. Here are some of the most joint ones:

How do ports make network connections more efficient?

Massively diverse types of data movement to and from a computer over the same network joining. The usage of ports helps computers appreciate what to do with the data they receive.

Supposing Adnan transfers an MP3 audio-video recording to Zain using the File Transfer Protocol (FTP). If Zain’s computer passed the MP3 file data to Zain’s email application, the email request would not know how to interpret it. But because Adnan’s file transfer uses the port selected for FTP (port 21), Zain’s computer is able to obtain and store the file.

In the meantime, Zain’s computer can concurrently load HTTP webpages using port 80, even though both the webpage files and the MP3 sound file flow to Zain’s computer over the same WiFi joining.


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