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Computer-networks-basic-concepts-unit-3-->View question

HTTP And HTTPS Whats the connection ? What are their port numbers ?

HTTP And HTTPS Whats the connection ? What are their port numbers ?


Asked On2021-12-30 07:04:43 by:shwet0710

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Full form of HTTP is Hypertext Transfer Protocol. HTTP offers set of rules and standards which govern how any information can be transmitted on the World Wide Web. HTTP provides standard rules for web browsers & servers to communicate.

HTTP is an application layer network protocol which is built on top of TCP. HTTP uses Hypertext structured text which establishes the logical link between nodes containing text. It is also known as “stateless protocol” as each command is executed separately, without using reference of previous run command.


HTTPS stands for Hyper Text Transfer Protocol Secure. It is highly advanced and secure version of HTTP. It uses the port no. 443 for Data Communication. It allows the secure transactions by encrypting the entire communication with SSL. It is a combination of SSL/TLS protocol and HTTP. It provides encrypted and secure identification of a network server.

HTTP also allows you to create a secure encrypted connection between the server and the browser. It offers the bi-directional security of Data. This helps you to protect potentially sensitive information from being stolen.

In HTTPS protocol SSL transactions are negotiated with the help of key-based encryption algorithm. This key is generally either 40 or 128 bits in strength.


KEY DIFFERENCE

  • HTTP lacks security mechanism to encrypt the data whereas HTTPS provides SSL or TLS Digital Certificate to secure the communication between server and client.
  • HTTP operates at Application Layer whereas HTTPS operates at Transport Layer.
  • HTTP by default operates on port 80 whereas HTTPS by default operates on port 443.
  • HTTP transfers data in plain text while HTTPS transfers data in cipher text (encrypt text).
  • HTTP is fast as compared to HTTPS because HTTPS consumes computation power to encrypt the communication channel.


Answerd on:2022-02-03 Answerd By:Akhil-Dev-D

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