Python port of ShadowsocksR
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#!/usr/bin/python
# -*- coding: utf-8 -*-
# Copyright (c) 2015 clowwindy
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
from __future__ import absolute_import, division, print_function, \
with_statement
import os
import sys
import argparse
if __name__ == '__main__':
parser = argparse.ArgumentParser(description='See README')
parser.add_argument('-c', '--count', default=3, type=int,
help='with how many failure times it should be '
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'considered as an attack')
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config = parser.parse_args()
ips = {}
banned = set()
for line in sys.stdin:
if 'can not parse header when' in line:
ip = line.split()[-1].split(':')[0]
if ip not in ips:
ips[ip] = 1
print(ip)
else:
ips[ip] += 1
if ip not in banned and ips[ip] >= config.count:
banned.add(ip)
cmd = 'iptables -A INPUT -s %s -j DROP' % ip
print(cmd, file=sys.stderr)
os.system(cmd)