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OpenGFW: Flexible & Open Network Filtering for Linux
An open source implementation of a flexible and programmable network filtering system, designed for traffic inspection, policy enforcement, and network security.
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Added on 2025年7月1日10,385
Stars770
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LanguageProject Introduction
Summary
This project offers a robust, open-source framework for building highly customizable network filtering solutions on Linux, enabling users to define and enforce complex traffic policies.
Problem Solved
Traditional firewalls and filtering systems often lack flexibility, transparency, and programmability, making it difficult to adapt to complex or evolving network requirements. This project provides an open, adaptable alternative.
Core Features
Programmable Filtering Rules
Implement custom filtering rules and policies using a flexible scripting or configuration language.
Deep Packet Inspection (DPI)
Perform deep packet inspection to analyze traffic content and patterns beyond basic headers.
Tech Stack
Linux Kernel Modules
eBPF
C/C++
Go
Python
Use Cases
This flexible framework can be applied in various scenarios requiring network traffic management, inspection, or policy enforcement:
Scenario 1: Custom Firewall Implementation
Details
Deploy at the network edge or within a private network to filter unwanted or malicious traffic based on custom rules.
User Value
Provides a highly adaptable firewall solution tailored to specific security needs.
Scenario 2: Network Policy Enforcement
Details
Utilize DPI and programmable rules to enforce specific network policies, such as content filtering or application-level access control.
User Value
Enables precise control over network usage and ensures compliance with organizational policies.
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