/firewall

This repository contains a custom-built firewall written in Go, leveraging the gopacket library to capture, analyze, and filter network traffic. It provides packet-level control over network interfaces and enables blocking or allowing traffic based on defined rules, making it a useful tool for network monitoring and security testing.

Primary LanguageGo

Firewall

Overview

This repository contains a custom-built firewall implemented in Go. It utilizes the gopacket library to capture and analyze network traffic, allowing for granular control over incoming and outgoing packets. The firewall enables users to define rules for blocking or allowing specific traffic, enhancing network security and monitoring.

Features

  • Packet capture and analysis using the gopacket library.
  • Ability to block or allow packets based on user-defined rules.
  • Works with multiple network interfaces.
  • Simple command-line interface for easy usage.

Requirements

  • Go (1.16 or higher)
  • gopacket library

Installation

  1. Clone the repository:

    git clone https://github.com/b17w1z4rd/firewall.git
cd firewall

Usage

Identify the network interface you want to monitor. You can use the following command to list interfaces: ipconfig(Windows) 2. Run the firewall tool specifying the network interface: go run firewall.go <interface_name>