Skript kontrollib OpenSSH logist ebaõnnestunud autentimisi ning lävendi ületamisel blokeerib IP aadressi

#!/usr/bin/python
import smtplib
failures = {}
kir=open("/etc/hosts.deny",'r+')
fh = open("/home/risto/python/opensshsisend.py")
for rida in fh.readlines():
# IP-aadressid
	if "Failed password" in rida: 
		r = rida.split()[12]
		if failures.has_key(r):
			failures[r] += 1
		else: 
			failures[r] = 1


massiiv = failures.items()
massiiv.sort(key = lambda (failures, arv):-arv)
for failures, arv in massiiv:
#	print failures, arv
	if (arv > 9):
		vana=kir.read()
		kir.write(vana +'%s\n' % (failures))
kir.close()
fh.close()
sender = 'risto@siitan.com'
receivers = ['risto@siitan.com']

message = """From: From Person <from@fromdomain.com>
To: To Person <to@todomain.com>
Subject: Rünnakute teade

/etc/hosts.deny listi lisati uus IP aadress.
"""

try:
   smtpObj = smtplib.SMTP('localhost')
   smtpObj.sendmail(sender, receivers, message)         
   print "Email saadetud"
except smtplib.SMTPException:
   print "Error: Ei saanud email-i saata"