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