Worked on enhancing TLS data handling in the kamailio/kamailio repository, focusing on improving memory safety and reliability for SSL application data operations. Addressed a bug by validating the return value of SSL_set_app_data and ensuring proper cleanup on failure, which reduced the risk of memory leaks in a critical TLS path. Applied defensive programming techniques and leveraged expertise in C programming, network programming, and security programming to strengthen the integration with OpenSSL. The work contributed to greater stability and security in the handling of SSL connections, reflecting a careful and methodical approach to maintaining robust networked systems.