What is TLS?

Transport Layer Security (TLS) is a cryptographic protocol used to secure internet communication. It is designed to provide privacy and integrity between two communicating applications, such as a web server and a client browser.

TLS works by establishing a secure, encrypted connection between the two applications. When a client wants to communicate with a server, it sends a request to the server to initiate a TLS connection. If the server is configured to support TLS, it will respond with a certificate that contains its public key. The client will then use the public key to establish an encrypted connection with the server.

Once the connection is established, all communication between the client and server is encrypted and protected from tampering and interception. This helps to ensure the communication's confidentiality and integrity and protect against attacks such as man-in-the-middle attacks.

TLS is commonly used to secure communication over the internet. It is often used with other security protocols such as SSL (Secure Sockets Layer) to provide an additional layer of protection.