What is port 80 used for?

Port 80 is primarily used for HTTP (Hypertext Transfer Protocol) traffic, which is the foundation of data communication on the World Wide Web. Here are some key points about port 80:

  1. Web Traffic: It is the default port for web servers to listen for incoming HTTP requests from clients (like web browsers).

  2. Unencrypted Communication: Traffic sent over port 80 is not encrypted, meaning data transmitted can be intercepted by third parties.

  3. Default Behavior: When you enter a URL in a web browser without specifying a port, the browser automatically uses port 80 for HTTP connections.

In summary, port 80 is essential for serving web pages and facilitating standard web communication.

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