Observed Signal · Apr 25, 2026 · Technical Release · Source: t3n · Impact: 2/5 · Sentiment: Positive
Sniffnet 1.5 Adds Real‑Time Process Identification
Sniffnet 1.5, released April 14, 2026, is an open-source network monitor that for the first time maps individual network connections to the local program that opened them. The release — described by developer Giuliano Bellini — adds a cross‑platform Rust library called "listeners" to enable process identification on Windows, Linux, macOS and FreeBSD. Version 1.5 also supports custom IP blocklists (including threat‑intel feeds) with real‑time alerts, a live preview of traffic per network adapter, persistent favorites, and recognizes more than 6,000 services/protocols. Sniffnet is MIT‑licensed, claims no telemetry or cloud integration, requires Npcap on Windows, and is positioned as an observational tool (it does not include a built‑in firewall).
Open-source release adds process-to-connection mapping and real-time alerts, improving visibility for privacy and security auditing; useful to practitioners but not industry‑shifting for AdTech/MarTech.
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Key Takeaways & Evidence Grounding
- Sniffnet v1.5 was released on April 14, 2026.
- Version 1.5 shows which local program opened a specific internet connection (process-to-connection mapping).
- Developer Giuliano Bellini created a Rust library named "listeners" to implement cross-platform process identification for Windows, Linux, macOS and FreeBSD.
- New features include support for custom IP blocklists with real-time alerts, live traffic preview per network adapter, and persistent favorites.
- Sniffnet is MIT‑licensed, claims no telemetry or cloud integration, and on Windows requires the Npcap driver; it recognizes over 6,000 services, protocols and known malware signatures.
Connected Companies & Entities
3 Entities mappedOntology Mapping & Concepts
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