Script for searching Zyxel NAS.

find_zyxel_nas.py

import socket

host = ''                             
port = 50127
data = '\x00\x42\x02\x01\x40\x61\x86\xff\xbb\x97\x00\x14\xa9\xfe\x54\xb5\xff\xff\x00\x00'

s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
s.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
s.bind((host, port))

s.sendto(data, ('<broadcast>',port))
while 1:
    try:
        message, address = s.recvfrom(8192)
        if address[1] == 5603:
            print address[0]
            break
    except (KeyboardInterrupt, SystemExit):
        print "Interrupted"
        break