def METHOD_NAME(self,conn):
    # modify header data for response..
    response = bytearray(self.headerData)
    # set ascii format as response type
    response[0] = ViewerProxy.ASCIIFORMAT
    # write security key in response
    for i in range(len(self.visit_security_key)):
        response[5+1+10+i] = self.visit_security_key[i] #21st byte is NULL?
    # send 100 byte response
    conn.send(response)