What is the default Port Number used by HTTP? (a) 89, (b) 80, (c) 21, (d) 23

By BYJU'S Exam Prep

Updated on: September 25th, 2023

The default Port Number used by HTTP is 80. A port is an endpoint of communication in computer networking. A port is a logical construct that, at the operating system’s software level, identifies a particular activity or class of network service. There are situations when port numbers appear in URLs or other universal resource locators (URLs).

Types of Protocols

  • Transmission Control Protocol (TCP)
  • Internet Protocol (IP)
  • User Datagram Protocol (UDP)
  • Post office Protocol (POP)
  • Simple Mail Transfer Protocol (SMTP)
  • File Transfer Protocol (FTP)
  • HyperText Transfer Protocol (HTTP).


What is the default Port Number used by HTTP? (a) 89, (b) 80, (c) 21, (d) 23

The HTTP port 80 standard’s default port number. HTTP utilizes port 80 by default, while HTTPS uses port 443. However, a URL like instructs the web browser to connect to port 8080 of the HTTP server instead.

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