Worked on enhancing cross-platform network reliability in the rustdesk/hbb_common repository by addressing Illumos-specific compatibility issues. Focused on systems and network programming using Rust, the developer fixed a bug where the SO_REUSEPORT socket option caused failures on Illumos platforms. By conditionally disabling SO_REUSEPORT for both TCP and UDP sockets, the solution ensured stable network functionality and reduced platform-specific errors in enterprise deployments. This targeted change improved maintainability and clarified platform-specific engineering for future development. The work demonstrated careful commit tracking, robust cross-platform development practices, and a strong understanding of conditional feature toggling in complex networking environments.