Rust Firewall

Open-source Rust projects categorized as Firewall
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Top 4 Rust Firewall Projects

Firewall

  1. rathole

    A lightweight and high-performance reverse proxy for NAT traversal, written in Rust. An alternative to frp and ngrok.

    Project mention: WireGuard DoV (DNS-over-VPN) | dev.to | 2025-06-29

    You can use port-forwarded UDP, or TCP (e.g., DoH, or DoT) dnsproxy ports instead of local process to escape network restrictions (e.g., using rathole)

  2. Sevalla

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  3. wirefilter

    An execution engine for Wireshark-like filters

    Project mention: Faster interpreters in Go: Catching up with C++ | news.ycombinator.com | 2025-04-05

    The resulting VM implementation reminds me of this post from cloudflare where they similarly use closures to build their interpreter.

    https://blog.cloudflare.com/building-fast-interpreters-in-ru...

  4. ghostport

    A high-performance port spoofing tool built in Rust. Confuse port scanners with dynamic service emulation across all ports. Features customizable signatures, efficient async handling, and easy traffic redirection.

    Project mention: Show HN: Ghostport – a Rust-based port spoofing tool to confuse network scanners | news.ycombinator.com | 2024-10-04

  5. cijail

    CI/CD pipeline process jail that filters outgoing network traffic.

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020).

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Rust Firewall related posts

  • Threat Actor Abuses Cloudflare Tunnels to Deliver Rats

    1 project | news.ycombinator.com | 1 Aug 2024

  • Rathole – A lightweight reverse proxy in Rust like frp and ngrok

    1 project | news.ycombinator.com | 7 Mar 2024

  • Any Alternatives To Zrok?

    1 project | /r/selfhosted | 10 Dec 2023

  • Link 2 servers together

    1 project | /r/selfhosted | 26 May 2023

  • Expose bare metal MetalLB external ip over internet

    1 project | /r/kubernetes | 21 May 2023

  • Internet 10 Gbps de la Digi

    1 project | /r/bucuresti | 19 May 2023

  • Connecting to home network via VPS

    1 project | /r/homelab | 7 Apr 2023
  • A note from our sponsor - Sevalla
    sevalla.com | 1 Sep 2025
    Sevalla is the PaaS you have been looking for! Advanced deployment pipelines, usage-based pricing, preview apps, templates, human support by developers, and much more! Learn more →

Index

What are some of the best open-source Firewall projects in Rust? This list will help you:

# Project Stars
1 rathole 11,540
2 wirefilter 1,027
3 ghostport 433
4 cijail 39

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