#!/usr/bin/env python
# Port Checker oport6-syn.py coded by 0x4D722E20446F6E
import sys

if len(sys.argv) !=3:
 print "Usage : python " +  sys.argv[0] + " <IPv6 Address> <Port>"
 sys.exit(0);

#Scapy version 2 need to import from scapy.all
from scapy.all import *
p=sr1(IPv6(dst=sys.argv[1])/TCP(dport=int(sys.argv[2]),flags="S"),verbose=0,timeout=2)

#Trying fo so many times SA flags value is 18
if p.flags == 18 :
 print "[OPEN] " + sys.argv[1] + " on " + sys.argv[2]
else:
 print "[CLOSE/FIREWALL]" + sys.argv[1] + " on " + sys.argv[2]