rough the following steps:</p><ol><li>When the application initiates a connection, the <code>connect</code> program will modify the destination address to <code>127.x.y.z:15001</code>, and use <code>cookie_original_dst</code> to save the original destination address.</li><li>In the <code>sockops</code> program, the current socket information and the quadruple are saved in <code>sock_pair_map</code>. At the same time, the same quadruple and its corresponding original destination address will be written to <c