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What is HTTPS?



HTTPS, the lock icon (HTTP on HTTP or HTTP Secure) Secure Socket Layer (SSL) or Transport Layer Security (TLS) is used as a sublayer under regular HTTP application layering in the address bar. HTTPS encrypts and decrypts pages returned by the web server as well as user page requests. Using HTTPS prevents evdropping and human-in-middle attacks. HTTPS was developed by Netscape. It is known as many things. While this was once primarily reserved for passwords and other sensitive data, the entire web is gradually turning back the HTTP and turning it into HTTPS.

"S" means "secure" in HTTPS. It is a secure version of the standard "Hypertext Transfer Protocol" used by your web browser when communicating with websites. HTTPS and SSL server support the use of X.509 digital certificates, so that if a user is able to authenticate the sender. Unless a separate port is specified, HTTPS uses 443 ports instead of HT port 80 in the lower layer, TCP / IP in their interactions.

Suppose you go to a web site to view their online catalog. When you are ready to order, you will be given a web page order form with the Uniform Resource Locator (URL) that starts with https: //. When you click "Send," to send the page back to the catalog retailer, your browser's HTTPS layer will encrypt it. The receipt you receive from the server will also travel in encrypted form, it will come with an https: // URL, and will be decrypted by your browser's HTTPS sublayer. When you send sensitive information about the HTTPS connection, no one can transit it. HTTPS is what makes information online secure.

Your web browser checks the website's security certificate. The effectiveness of HTTPS may be limited by the poor implementation of the browser or server software or the lack of support for some algorithms. In addition, although HTTPS secures the data as it travels between the server and the client, once the data decryptes to its destination, then it is only secured as a host computer. According to the security expert Jean Spafford, that level of security is It also provides additional privacy for normal web browsing.
HTTPS is not to be confused with S-HTTP, security-enhanced version of HTTP is developed and proposed by EIT as standard. HTTPS is much safer than HTTP. When you are connected to a HTTPS-protected server - then secure sites like your bank will automatically redirect you to HTTPS.

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