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In this HTTPS vs HTTP tutorial, we will learn what is the difference between HTTP and HTTPS.
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.
Next in this tutorial, we will learn about main HTTP and HTTPS difference.
Difference between HTTP and HTTPS protocol
The below table demonstrates what is difference between HTTP and HTTPS:
Parameter | HTTP | HTTPS |
---|---|---|
Protocol | It is hypertext transfer protocol. | It is hypertext transfer protocol with secure. |
Security | It is less secure as the data can be vulnerable to hackers. | It is designed to prevent hackers from accessing critical information. It is secure against such attacks. |
Port | It uses port 80 by default | It was use port 443 by default. |
Starts with | HTTP URLs begin with http:// | HTTPs URLs begin with https:// |
Used for | It's a good fit for websites designed for information consumption like blogs. | If the website needs to collect the private information such as credit card number, then it is a more secure protocol. |
Scrambling | HTTP does not scramble the data to be transmitted. That's why there is a higher chance that transmitted information is available to hackers. | HTTPS scrambles the data before transmission. At the receiver end, it descrambles to recover the original data. Therefore, the transmitted information is secure which can't be hacked. |
Protocol | It operates at TCP/IP level. | HTTPS does not have any separate protocol. It operates using HTTP but uses encrypted TLS/SSL connection. |
Domain Name Validation | HTTP website do not need SSL. | HTTPS requires SSL certificate. |
Data encryption | HTTP website doesn't use encryption. | HTTPS websites use data encryption. |
Search Ranking | HTTP does not improve search rankings. | HTTPS helps to improve search ranking. |
Speed | Fast | Slower than HTTP |
Vulnerability | Vulnerable to hackers | It Is highly secure as the data is encrypted before it is seen across a network. |
Now in this HTTPS and HTTP difference tutorial, we will cover the types of SSL/TLS certificates used with HTTPS:
Domain validation validates that the person who applies for a certificate is an owner of the domain name. This type of validation generally takes a few minutes up to a few hours.
The Certification Authority not only validate the domain's ownership but also owners identify. It means that an owner might be asked to provide the personal ID proof document to prove their identity.
Extended validation is a topmost level of validation. It includes validation of domain ownership, owner identity as well as registration proof of business.
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