WARNING: EXPERIMENTAL / UNSTABLE RESEARCH PROJECT. NOT INTENDED FOR DAILY USE.

Hardened Slarpx is a Debian-based Linux distribution built with a strict security-first approach. It uses a multi-layered defense model with aggressive mitigations and extensive kernel-level hardening. Due to its highly restrictive firewall policy, anonymization tools and certain network protocols are intentionally unsupported. The distribution includes there custom runtime security modules: Poison , Xennytsu and Silencer. Beyond passive hardening, Slarpx focuses on active intervention, sabotage, and destruction of attack paths when necessary.

Website: https://nixovena.org/slarpx

Features

  • Hardened Kernel Configs
  • Hardened CPU Mitigations
  • Xennytsu Engine (Exploit Detection)
  • Poison Engine ( Timing sabotage )
  • Silencer ( Kernel Info Leak Prevention )
  • Hardened Slarpx Firewall (nftables)
  • Quad9 DNS
  • Hardened Sudoers.d
  • Hardened Limits.d
  • Faillock
  • Hardened Profile.d
  • Hardened APT
  • Modprobe.d Blocked modules ( attack surface reduction )
  • Removed Kernel Map
  • Hardened Permissions
  • Debug tools blocked
  • System Integrity Hardening ( dracut , initramfs )
  • Hardened Bluetooth
  • Coldboot Defense
  • Experimental

Project Samples

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User Reviews

  • This distribution might be the most secure one I've seen since Qubes. The Poison module is very well thought out. This developer is an inventor.
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Additional Project Details

Registered

2026-01-24