Rust Firewall

Open-source Rust projects categorized as Firewall
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Top 11 Rust Firewall Projects

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  1. rathole

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

  2. SaaSHub

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  3. oryx

    🕵️‍♂️ TUI for sniffing network traffic using eBPF on Linux

    Project mention: Show HN: Nano PDF – A CLI Tool to Edit PDFs with Gemini's Nano Banana | news.ycombinator.com | 2025-11-29

  4. wirefilter

    An execution engine for Wireshark-like filters

  5. pingoo

    The fast and secure Load Balancer / API Gateway / Reverse Proxy with built-in service discovery, GeoIP, WAF, bot protection and much more - https://pingoo.io

    Project mention: Aggressive bots ruined my weekend | news.ycombinator.com | 2025-10-29

  6. httpjail

    HTTP(s) request filter for processes

    Project mention: macOS's Little-Known Command-Line Sandboxing Tool | news.ycombinator.com | 2026-02-21

  7. 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.

  8. synapse

    Active NDR solution with eBPF-powered active fingerprint blocking, firewall and proxy. Protect your system -- east-west and north-south. (by gen0sec)

    Project mention: eBPF-powered firewall and TCP/HTTP proxy agent | news.ycombinator.com | 2025-11-03

  9. cijail

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

  10. nftsim

    A high-fidelity, unprivileged simulation environment for testing nftables firewall rulesets.

    Project mention: UML based testing of nftables firewalls | news.ycombinator.com | 2026-01-11

  11. project-guardian

    AI Guardian Firewall — a local, user-space, agent-agnostic firewall that mediates an autonomous AI agent's actions (files, shell, network, services) with a deterministic policy boundary, a tamper-evident audit log, and a human-in-the-loop approval cockpit. No kernel modules. Apache-2.0.

    Project mention: A user-space firewall that gates an AI agent's actions | news.ycombinator.com | 2026-06-29

  12. NFTGUARD

    Nftable wrapper with control versioning like git

    Project mention: I built nftguard: atomic nftables versioning with instant rollback | dev.to | 2026-04-17

    git clone https://github.com/OnCeUponTry/NFTGUARD.git cd NFTGUARD cargo build --release sudo install -m 755 target/release/nftguard /usr/local/sbin/nftguard

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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Index

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

# Project Stars
1 rathole 13,909
2 oryx 2,509
3 wirefilter 1,149
4 pingoo 1,019
5 httpjail 956
6 ghostport 483
7 synapse 162
8 cijail 37
9 nftsim 7
10 project-guardian 2
11 NFTGUARD 0

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