OpenSSL Expert Tips and Tricks: Test and Benchmark Servers

OpenSSL, the open source toolkit for implementing the Secure Sockets Layer (SSL) and Transport Layer Security (TLS) protocols, is an everyday essential for most Linux admins responsible for secure networking. But OpenSSL includes a wealth of features that even grizzled veterans may not be familiar with. You can use OpenSSL to test POP and IMAP servers, and test server connection speeds, among other interesting tricks.