Monday 21 December 2015

Security protocols



We will now consider two forms of security protocols when using the internet:
Secure Sockets Layer (SSL)
Transport Layer Security (TLS).
SECURE SOCKETS LAYER (SSL) is a type of protocol (a set of rules used by computers to communicate with each other across a network). This allows data to be sent and received securely over the internet.
When a user logs onto a website, SSL encrypts the data – only the user’s computer and the web server are able to make sense of what is being transmitted. A user will know if SSL is being applied when they see https or the small padlock in the status bar at the top of the screen. So what happens when a user wants to access a secure website and receive and send data to it?




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