import socket s = socket.socket() host = socket.gethostname() port = 12346 s.bind((host, port)) print("Vor listen") s.listen() while True: (connection, addr) = s.accept() print("Verbindung von ", addr) #msg2 = connection.recv(1024) #new_msg2 = msg2.decode('utf-8') .upper() #print(new_msg2) #connection.send(new_msg2.encode('utf-8')) ##connection.send(msg.encode('utf-8')) #connection.close() msg = connection.recv(1024) new_msg = msg2.decode('utf-8').upper() if new_msg == "STOP": break