A self-hosted alternative to traditional VPNs and port knocking. It utilizes Single Packet Authorization to keep network services invisible to unauthorized scanners.
Tech Stack
PerlVPN & Network
Why fwknop?
• Zero port visibility
• Replay attack protection
• Cryptographic authentication
Limitations
• Client software required
• Complex initial config
• Latency in connection setup
3/5/2026
Last Update
251
Forks
123
Issues
GPL-2.0
License
Financial Leak Detected
Stop the "SaaS Tax"
Your team could be burning cash. Switching to fwknop instantly boosts your runway.
