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Everything you need to know about SSL and TLS

Secure Socket Layer (SSL) and Transport Layer Security (TLS) are both protocols that provide secure communication over the internet. They are used to encrypt data that is transmitted between two parties, such as a web browser and a web server. While SSL was the original protocol, it has been largely replaced by TLS, which is considered more secure. In this blog, weu2019ll explore the differences between SSL and TLS, and discuss which protocol is better for securing your online communications.

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Everything you need to know about SSL and TLS

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  1. Secure Socket Layer (SSL) and Transport Layer Security (TLS) are both protocols that provide secure communication over the internet. They are used to encrypt data that is transmitted between two parties, such as a web browser and a web server. While SSL was the original protocol, it has been largely replaced by TLS, which is considered more secure. In this blog, we'll explore the differences between SSL and TLS, and discuss which protocol is better for securing your online communications. What is Secure Socket Layer (SSL)? Secure Socket Layer (SSL) is a protocol that was developed by Netscape in the mid-1990s to provide secure communication over the internet. It was designed to encrypt data that was transmitted between two parties, such as a web browser and a web server. SSL uses a combination of public-key and symmetric-key encryption to ensure that data is transmitted securely. SSL works by establishing a secure connection between the client and the server. The client sends a request to the server, and the server responds by sending its SSL certificate to the client. The client verifies the certificate, and if it is valid, it generates a unique session key that is used to encrypt and decrypt data during the session.

  2. What is Transport Layer Security (TLS)? Transport Layer Security (TLS) is a successor to SSL that was developed by the Internet Engineering Task Force (IETF) in the late 1990s. Like SSL, TLS is designed to provide secure communication over the internet. It uses a combination of public-key and symmetric-key encryption to ensure that data is transmitted securely. TLS works in a similar way to SSL. When a client requests a secure connection, the server sends its TLS certificate to the client. The client verifies the certificate, and if it is valid, it generates a unique session key that is used to encrypt and decrypt data during the session. What are the differences between SSL and TLS? While SSL and TLS are similar in many ways, there are some key differences between the two protocols. 1. Security: TLS is generally considered more secure than SSL. This is because TLS has stronger encryption algorithms, and it is less vulnerable to attacks such as POODLE and BEAST. 2. Compatibility: TLS is backward compatible with SSL, which means that it can be used with older web browsers that don't support the latest SSL protocols. SSL, on the other hand, is not compatible with TLS. 3. Protocol Versions: SSL has four versions (SSLv2, SSLv3, TLSv1.0, TLSv1.1), while TLS has three versions (TLSv1.0, TLSv1.1, TLSv1.2). SSLv2 and SSLv3 are no longer considered secure and should not be used. 4. Handshake Process: The handshake process in TLS is slightly different than in SSL. TLS uses a different cipher suite negotiation process, and it includes support for Perfect Forward Secrecy (PFS). 5. Implementation: TLS is generally more widely implemented than SSL. This is because SSL has been largely replaced by TLS, and most web browsers and servers now support TLS. Which is better: SSL or TLS? TLS is generally considered to be better than SSL for securing online communications. This is because TLS is more secure, more widely implemented, and more compatible with modern web browsers and servers. In addition, TLS includes support for Perfect Forward Secrecy (PFS), which provides an additional layer of security by generating a new session key for each session.

  3. While SSL is still used in some legacy systems, it is not recommended for use in new systems. If you are currently using SSL, it is recommended that you upgrade to TLS as soon as possible to ensure that your online communications are secure. In conclusion, SSL and TLS are both protocols that provide secure communication over the internet. While SSL was the original protocol, it has been largely replaced by TLS, which is considered more secure. TLS is more widely implemented, more compatible with modern web browsers and servers, and includes support for Perfect Forward Secrecy (PFS). If you are currently using SSL, it is recommended that you upgrade to TLS as soon as possible to ensure that your online communications are secure. To learn more about SSL you can visit this website. You can also read How to Install a free SSL Certificate on your WordPress Website Importance of SSL in the Digital Era Why SSL Certificates are Important?

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