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A Cybersecurity tool to detect and block IPs conducting port scans on a host machine.

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Connorapple/PortScanBlocker

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ScanBlocker

Python Dependencies

  • View requirements.txt
  • to install automatically run pip install -r requirements.txt

Linux Dependencies

IPTABLES

sudo apt-get install iptables

Usage

sudo python scanBlocker.py

Usage Options

 -H HOSTIP, --hostIP HOSTIP
 Specify your host inet address. Will default to the
 inet address of default interface.
 -i INTERFACE, --interface INTERFACE
 Specify an interface to sniff for port scans on. Will
 default to system default.
 -c, --clear Use this flag to clear all blocked IPs before running. 

sudo python scanBlocker -i ens4 -H 10.138.0.27

Clear out iptable rule chain

sudo python scanBlocker -c
or

sudo iptables -F
sudo iptables -X 

View Blocked IP Addresses

Ctrl + C while running
or
sudo iptables -n -L

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A Cybersecurity tool to detect and block IPs conducting port scans on a host machine.

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