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Also to know is, does SSL use TCP?

HTTPS is HTTP using SSL/TLS security. SSL/TLS typically runs on top of TCP, but there is nothing to stop you from running it on UDP, SCTP or any other transport layer protocol. As a matter of fact HTTPS over TCP and UDP are both defined as "well known" by IANA and have reserved port numbers.

Likewise, how SSL protocol is used for secure transaction? Secure Sockets Layer (SSL) technology protects transactions between your Web site and visitors. The protocol uses a third party, a Certificate Authority (CA), to identify one end or both end of the transactions. The web server sends its public key with its certificate.

Hereof, what is SSL protocol and how it works?

How SSL Works. Just to reiterate – SSL stands for Secure Sockets Layer. It's a protocol used to encrypt and authenticate the data sent between an application (like your browser) and a web server. This leads to a more secure web for both you and the visitors to your website. SSL is closely tied to another acronym – TLS.

What is ssl3 protocol?

SSL version 3.0 is no longer secure. SSLv3 is an old version of the security system that underlies secure Web transactions and is known as the “Secure Sockets Layer” (SSL) or “Transport Layer Security” (TLS).