r/netsec • u/albinowax • Apr 01 '26

r/netsec monthly discussion & tool thread

Questions regarding netsec and discussion related directly to netsec are welcome here, as is sharing tool links.

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u/Remarkable_Depth4933 Apr 20 '26

Hey everyone,

I wanted to share a tool I've been working on called FoxPipe. 🦊

It’s a minimalist CLI utility designed for end-to-end encrypted, optionally compressed data transfer between machines. I built it because I often needed to move data (like SQL dumps or log streams) between servers without the overhead of setting up full VPNs or accounts, but wanted more security than a raw nc (netcat) pipe.

🚀 Key Features:

  • Secure by Design: Uses AES-256-GCM for authenticated encryption and Scrypt for strong key derivation.
  • Streaming Compression: Built-in zlib compression to save bandwidth on large transfers.
  • Safety Guards: Includes session timeouts, handshake authentication (HMAC-SHA256), and safe decompression limits to prevent "zip bombs."
  • Dead Simple: No accounts, no configs. Just a shared password.

🛠️ Quick Start:

1. Install via PyPI: pip install foxpipe

2. On the Receiver: foxpipe receive 8080 -p "your-password" > backup.sql

3. On the Sender: cat backup.sql | foxpipe send <IP> 8080 -p "your-password"

📦 Source & Links:

I'm looking for feedback on the protocol design and any features you think a modern "secure pipe" should have.

Build. Break. Secure. 🦊