struct sockaddr_in myAddr;
    struct sockaddr_in remoteAddr;

    int socketConn;
    int addrLen = sizeof( struct sockaddr );

    // Create socket to the external proxy server
    remoteAddr.sin_family = PF_INET;
    remoteAddr.sin_port = htons( PORT );
    remoteAddr.sin_addr.s_addr = inet_addr( "xx.xx.xx.xx" );
    memset( &(remoteAddr.sin_zero), '\0', 8);

    if(( socketConn = socket( PF_INET, SOCK_DGRAM, 0 ) ) == - 1 )
    {
        printf("Cannot ressocket: (%d)\n", WSAGetLastError());
        exit( 1 );
    }

    int numbytes;
    int bufferLen = 3;
    char buffer[bufferLen];
    char rcvbuffer[MAXBUFLEN];

    BYTE version = 0x05;
    BYTE authlen = 0x01;
    BYTE auth = 0x00;
    memcpy(buffer+0, &version, 1);
    memcpy(buffer+1, &authlen, 1);
    memcpy(buffer+2, &auth, 1);

    // Handshake
    numbytes = sendto( socketConn, buffer, bufferLen, 0, ( struct sockaddr * ) & remoteAddr, sizeof( struct sockaddr ) );
    if( numbytes == -1 )
    {
        printf("Cannot send: (%d)\n", WSAGetLastError());
        exit( 1 );
    }

    printf( "SentLen: %d bytes\n", numbytes );


    // Receive data from the proxy server
    myAddr.sin_family = PF_INET;
    myAddr.sin_port = htons( PORT );
    myAddr.sin_addr.s_addr = inet_addr( "0.0.0.0" );
    memset( &(myAddr.sin_zero), '\0', 8);

    if(( socketConn = socket( PF_INET, SOCK_DGRAM, 0 ) ) == - 1 ) {
        printf("Cannot ressocket: (%d)\n", WSAGetLastError());
        exit( 1 );
    }

    int myBind = bind( socketConn, ( struct sockaddr * ) &myAddr, addrLen );
    if( myBind == -1 )
    {
        printf("Cannot bind: (%d)\n", WSAGetLastError());
        exit(1);
    }

    numbytes = recvfrom( socketConn, rcvbuffer, MAXBUFLEN - 1, 0,
                            ( struct sockaddr * ) &remoteAddr, & addrLen );

    if( numbytes == -1 )
    {
        printf("Cannot listen: (%d)\n", WSAGetLastError());
        exit( 1 );
    }

    printf( "recv: %s\n", inet_ntoa( myAddr.sin_addr ) );
    printf( "len: %d bytes\n", numbytes );
    rcvbuffer[ numbytes ] = '\0';
    for (int i = 0; i < numbytes; i++)
    {
        printf( "0x%02X ", (int)rcvbuffer[i] );
    }

    printf( "\n" );