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yesterday

Objective Development Releases Little Snitch for Linux

A privacy tool brings per‑app connection visibility to Linux using eBPF with an open UI alongside a proprietary daemon.

A sleek black monolithic cube in a futuristic server room with glowing blue data streams and translucent server racks.
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Overview

  • Objective Development released Little Snitch for Linux as a free product and said it will remain free.
  • The tool tracks outgoing traffic with eBPF and shows per‑process connections in a web UI at http://localhost:3031/ that can be secured for local or remote use.
  • The eBPF program and the web interface are open source under GPLv2 on GitHub, while the backend daemon is closed source but free to use and redistribute.
  • The developers stress it is for privacy rather than hard security because eBPF resource limits can drop process or hostname attribution under heavy traffic.
  • Compatibility is confirmed on Linux kernels 6.12 and newer, it supports blocklists and one‑click blocks, and the team invites contributions to extend support toward kernel 5.17.