Difference Between Http And Https

Difference Between Http And https

People often ask if there is a difference between HTTP and HTTPS, the answer is yes. On this article we are going to be looking at the meaning and differences between HTTP and https.

Difference Between Http And Https
Difference Between Http And Https

What is the Difference between HTTP and HTTPS ?

The main difference between http:// and https:// is all about keeping you secure. HTTP stands for Hyper Text Transfer Protocol. The S in “https://” stands for “Secure”. If you visit any Website or web page and you look at the address in the web browser, it is most likely to start with http://, this means that the website is communicating with your web browser using the regular unsecured language. In other words, it is possible for someone to eavesdrop on your computer’s conversation with the Website. If you fill out a form on the website, someone might see the information you send to that site.

You might be asking yourself why do we need this security over the Web? Let’s take for instance: during Online shopping on shopping sites like Amazon, Jumia or Flipkart. You might have noticed that as soon you click on the Check-out on these online shopping websites, the address bar changes to use https. This is done so that the succeeding data transfer (i.e. financial transaction etc.) is made secure and that’s why https was introduced so that a secure session is setup first between Server and Browser.

This is why you should never ever enter your credit card numbers in a Http website!!! But if the web address begins with https://, that means your computer is communicating to the website in a secure code that no one can eavesdrop.

Note that this security in https is achieved at the cost of processing time because Web Server and Web Browser needs to exchange encryption keys using Certificates before actual data can be transferred. Basically, setting up a secure session is done before the actual hypertext exchange between server and browser.

Differences between HTTP and HTTPS

Http Https
HTTP, URL begins with “http://” HTTPS, URL begins with “https://”
HTTP uses port number 80 for communication HTTP uses port number 443 for communication
HTTP is considered to be unsecure. HTTPS is considered to be secure.
HTTP Works at Application Layer. HTTPS works at Transport Layer.
In HTTP, Encryption is absent. In HTTPS Encryption is present.
HTTP does not require any certificates. HTTPS needs SSL Certificates.

 

Conclusion:

Now, you might have known the meaning/differences between Http and Https and the importance of security. If a website ever asks you to enter your Credit/Debit card Information, you should automatically check to see if the web
address begins with https://, if it doesn’t, you should never enter your credit/debit card number or sensitive information.

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