FUNDAMENTALS OF COMPUTER

Detailed explanation-1: -Port 80 is the port number assigned to commonly used internet communication protocol, Hypertext Transfer Protocol (HTTP). It is the port from which a computer sends and receives Web client-based communication and messages from a Web server and is used to send and receive HTML pages or data.

Detailed explanation-2: -Port 443 allows data transmission over a secured network, while Port 80 enables data transmission in plain text. Users will get an insecure warning if he tries to access a non-HTTPS web page.

Detailed explanation-3: -Applications are designed to use either the UDP or TCP transport layer protocol depending on the type of connection they require. For example a web server normally uses TCP port 80.

Detailed explanation-4: -GRC | Port Authority, for Internet Port 8080. Description: This port is a popular alternative to port 80 for offering web services. “8080” was chosen since it is “two 80’s", and also because it is above the restricted well known service port range (ports 1-1023, see below).

Detailed explanation-5: -By default, these two protocols are on their standard port number of 80 for HTTP and 443 for HTTPS.