# SSL Protocol

Secure Sockets Layer (SSL) is a protocol that provides secure authentication and transmits encrypted data over the Internet or an internal network. Most web browsers support SSL, and many Web sites and Java applications use it to obtain confidential user information, such as credit card numbers.

The SSL protocol is complex, and this chapter is not a complete description of SSL. Instead, this chapter describes how to configure SSL in the TIBCO Enterprise Message Service server and in client applications that communicate with the server. For a more complete description of SSL, see the TLS specification at https://tools.ietf.org/html/rfc5246 and the article at https://en.wikipedia.org/wiki/Transport_Layer_Security.

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