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(ISC)2

SSCP · Question #729

The standard server port number for HTTP is which of the following?

The correct answer is B. 80. The standard port number for Hypertext Transfer Protocol (HTTP) communication is 80.

Submitted by dimitri_ru· Apr 18, 2026Network and Communications Security

Question

The standard server port number for HTTP is which of the following?

Options

  • A81
  • B80
  • C8080
  • D8180

How the community answered

(48 responses)
  • B
    94% (45)
  • C
    2% (1)
  • D
    4% (2)

Why each option

The standard port number for Hypertext Transfer Protocol (HTTP) communication is 80.

A81

Port 81 is not a standard port for HTTP and is often used for alternate web services or proxy servers.

B80Correct

HTTP, the protocol used for transmitting web pages over the internet, is officially assigned and commonly uses port 80 for unencrypted web traffic. Web servers typically listen on this port for client requests.

C8080

Port 8080 is a common alternative or proxy port for HTTP, but it is not the official standard port.

D8180

Port 8180 is not a standard port for HTTP and is typically used for specific application services.

Concept tested: Standard HTTP port number

Source: https://learn.microsoft.com/en-us/troubleshoot/windows-server/networking/service-overview-and-network-port-requirements

Topics

#HTTP#Port numbers#Networking protocols

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