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In the world of web security, ensuring that your TLS (Transport Layer Security) configurations are correct is crucial for safeguarding data in transit. One powerful tool to help with this is the openssl s_client command. This command-line tool can initiate TLS connections to a remote server, allowing you to check and troubleshoot your SSL/TLS settings. Below, we'll explore how openssl s_client can be utilized within a Bash script to test TLS handshakes. Q1: What is openssl s_client? A1: openssl s_client is a utility provided by OpenSSL that acts as a client program that connects to a server. It's primarily used to debug SSL/TLS servers, fetch server certificates, and even test the encryption.