A simple and easy way to configure a Debian firewall with iptables.
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LICENSE
README.md
install.sh

README.md

debian-firewall

A simple and easy way to configure a Debian firewall with iptables.

About

This project is for users who want to protect themselves from unsolicited network connections.

Simple Protection

The simple protection feature add the following protections:

  • Block null packets
  • Reject syn-flood attack
  • Reject XMAS packets

Default Configuration

The default configuration add the following protections:

  • Allow localhost connections
  • Allow only established connections
  • Drop input connections
  • Drop forward connections

Prerequisite

Iptables should be installed by default on your system. You can verify your installation with the following command:

sudo iptables --version

If the above command return an error, you can install iptables with the following commmand:

sudo apt-get install iptables

Firewall Installation & Configuration

This software configure iptables. You can view each command and what they do by looking at the install.sh file.

To install and configure the firewall, execute the following command:

sh install.sh

License

This project is made available under the terms of the MIT License. See the LICENSE file for a representation.