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from socket import *
from time import ctime
HOST = ''
PORT = 21567
BUFSIZ = 1024
ADDR = (HOST, PORT)
udpSerSock = socket(AF_INET, SOCK_DGRAM)
udpSerSock.bind(ADDR)
while True:
print 'waiting for message...'
data, addr = udpSerSock.recvfrom(BUFSIZ)
udpSerSock.sendto('[%s] %s' % (
ctime(), data), addr)
print '...received from and returned to:', addr
udpSerSock.close()
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