What is HTTP and HTTPS ?

kevinchristian381
Posts: 11
Joined: Thu Jan 22, 2015 4:33 pm

What is HTTP and HTTPS ?

Post by kevinchristian381 » Thu Aug 13, 2015 4:24 pm

Hello all,
What is HTTP and HTTPS ?

Any Idea!

Thanks

michaelsmith2345
Posts: 9
Joined: Thu Jan 22, 2015 4:38 pm

Re: What is HTTP and HTTPS ?

Post by michaelsmith2345 » Fri Aug 14, 2015 3:27 pm

HTTP

HTTP stands for "Hypertext Transfer Protocol.", HTTP is the protocol used to transfer data over the web.When accessing any web page entering http:// in front of the address tells the browser to communicate over HTTP. Today's browsers no longer need HTTP in front of the URL since it is the default method of communication.

Some Facts about HTTP
• The standard port for HTTP connections is port 80.
• The term HTTP was invented by Ted Nelson.
• In 1991 HTTP/0.9 was the first version of the HTTP was introduced.
• In 1996 HTTP/1.0 is specified in RFC 1945 was introduced
• In January 1997 HTTP/1.1 is specified in RFC 2616 was released.

Some HTTP status codes:
1. 101- The server to switch protocols
2. 200 - successful request (the webpage exists)
3. 204 - No content or no response,
4. 301 - Moved permanently (often forwarded to a new URL)
5. 302 - Temporary redirection visitor
6. 401 - unauthorized request (authorization required)
7. 403 - forbidden (access is not allowed to the page or directory)
8. 404 - Page Not Found
9. 500 - Internal server error (often caused by an incorrect server configuration)
10. 505- HTTP Version not supported

HTTPS

HTTPS stands for Hypertext Transfer Protocol Secure, HTTPS is a protocol which uses HTTP on a connection encrypted by transport-layer security. HTTPS is used to protect transmitted data from eavesdropping. It is the default protocol for conducting financial transactions on the web, and can guard a website's users from censorship by a government or an ISP.

• HTTPS uses port 443 to transfer its data.
• HTTPS is first used in HTTP/1.1 and is defined in RFC 2616.

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