Most applications these days are at least somewhat network aware, but how do you protect those applications against common network security threats? Many developers are turning to Open SSL, an open source version of SSL/TLS, which is the most widely used protocol for secure network communications.The Open SSL library is seeing widespread adoption for web sites that require cryptographic functions to protect a broad range of sensitive information, such as credit card numbers and other financial transactions. The library is the only free, full-featured SSL implementation for C and C++, and it can be used programmatically or from the command line to secure most TCP-based network protocols.Network Security with Open SSL enables developers to use this protocol much more effectively. Traditionally, getting something simple done in Open SSL could easily take weeks. This concise book gives you the guidance you need to avoid pitfalls, while allowing you to take advantage of the library?s advanced features. And, instead of bogging you down in the technical details of how SSL works under the hood, this book provides only the information that is necessary to use Open SSL safely and effectively. In step-by-step fashion, the book details the challenges in securing network communications, and shows you how to use Open SSL tools to best meet those challenges.As a system or network administrator, you will benefit from the thorough treatment of the Open SSL command-line interface, as well as from step-by-step directions for obtaining certificates and setting up your own certification authority. As a developer, you will further benefit from the in-depth discussions and examples of how to use Open SSL in your own programs. Although Open SSL is written in C, information on how to use Open SSL with Perl, Python and PHP is also included.Open SSL may well answer your need to protect sensitive data. If that?s the case, Network Security with Open SSL is the only guide available on the subject.
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