conf=input('Please enter an IP number more than how many connections will be blocked:')
data = ''
with open('/usr/local/ddos/ddos.conf', 'r+') as f:
for line in f.readlines():
if (line.find('NO_OF_CONNECTIONS') == 0):
line = 'NO_OF_CONNECTIONS={}'.format(conf) + '\n'
data += line
with open('/usr/local/ddos/ddos.conf', 'r+') as f:
f.writelines(data)