difference between http and https? - quora

HTTP is a protocol for transferring data on the Internet between a web resource and a server. ... This is a basic set of rules for data transfer. HTTPS (Hypertext Transfer Protocol Secure) is essentially the same protocol with an important addition. HTTPS has an extension, named SSL (Secure Sockets Layer).

1. What is the main difference between http and https?
2. Why would you use http instead of https?
3. Why is http dangerous?
4. What is the advantage of using HTTP?
5. Is http safe to use?
6. What is HTTP in simple words?
7. Can https be hacked?
8. Is http or https more secure?
9. Can a Web server use both http and https?
10. Why is http not safe?
11. Is HTTP 1.1 secure?
12. What happens if you visit an unsecure website?

What is the main difference between http and https?

HTTP is unsecured while HTTPS is secured. HTTP sends data over port 80 while HTTPS uses port 443. HTTP operates at application layer, while HTTPS operates at transport layer. ... No encryption in HTTP, with HTTPS the data is encrypted before sending.

Why would you use http instead of https?

HyperText Transfer Protocol Secure (HTTPS) is an encrypted version of HTTP, which is the main protocol used for transferring data over the World Wide Web. HTTPS protects the communication between your browser and server from being intercepted and tampered with by attackers.

Why is http dangerous?

The problem is that HTTP data is not encrypted, so it can be intercepted by third parties to gather data passed between the two systems. ... It involves the use of an SSL (Secure Sockets Layer) certificate, which creates a secure encrypted connection between the web server and the web browser.

What is the advantage of using HTTP?

HTTP is used to access HTML pages and was used by websites which did not have confidential information like financial details when the security of information was not considered to be a priority. HTTPS or secure hypertext transfer protocol allows authorization which translates to safe and secure transactions.

Is http safe to use?

In terms of security, HTTP is completely fine when browsing the web. It only becomes an issue when you're entering sensitive data into form fields on a website. If you're entering sensitive data into an HTTP web page, that data is transmitted in cleartext and can be read by anyone.

What is HTTP in simple words?

Stands for "Hypertext Transfer Protocol." HTTP is the protocol used to transfer data over the web. It is part of the Internet protocol suite and defines commands and services used for transmitting webpage data.

Can https be hacked?

Let's answer this question right off the bat: it's unlikely. Though not impossible, the chances of an SSL certificate itself being hacked is incredibly slim. However, just because you have an SSL installed, that doesn't mean your website isn't vulnerable in other areas.

Is http or https more secure?

So, to recap, the difference between HTTP vs HTTPS is simply the presence of an SSL certificate. HTTP doesn't have SSL and HTTPS has SSL, which encrypts your information so your connections are secured. HTTPS also has TLS (Transport Layer Security) protocol that HTTP lacks. HTTPS is more secure than HTTP.

Can a Web server use both http and https?

The reverse proxy server lets both HTTP and HTTPS requests go through. Your reverse proxy might take both HTTP and HTTPS requests and pass it to the applicative server. You can see that the server directive tells Nginx to listen to both port 80 for http and port 443 for https.

Why is http not safe?

When you load a website over plain HTTP, your connection to the site is not encrypted. This means anyone on the network can look at any information going back and forth, or even modify the contents of the site before it gets to you.

Is HTTP 1.1 secure?

Existing HTTP clients and user agents typically retain authentication information indefinitely. HTTP/1.1 does not provide a method for a server to direct clients to discard these cached credentials which is a big security risk.

What happens if you visit an unsecure website?

If your browser says “Not secure” or “Insecure connection,” it means your connection to the website is either not encrypted or encrypted using a weak cipher. ... This code could show you ads, steal your CPU power while visiting the website, track you, or try to extract personal information from the website.