NETMON ROOTS MONITOR. CONTROL. UNDERSTAND. BACK TO THE ROOTS.
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Package download

Final Release

NetMon 1.1.21 for Debian/Ubuntu-based systems

Current final release package for installation, production use, and verification.

Download .deb

Check before downloading

Please review Updates first. This page will collect known issues and system-specific notes.

Open updates

Documentation

GitHub

Please visit us on GitHub too

You can find the current project state, the README, screenshots, and the public project base for NetMon Roots there.

Open project on GitHub

HTML

NetMon Documentation 1.1.21

Browser version for quick access.

Open HTML

PDF

PDF Manual 1.1.21

Offline version for storage or handoff.

Download PDF

Audit

Security Audit 2026

Latest audit report: round 12 for NetMon v1.1.21. The UI refactoring adds no new critical attack surface; the report documents one medium design risk and three low hardening and release risks.

Open HTML Round 12 PDF

License

GPL-3.0-or-later

The project license is already bundled with the package and available directly on the site.

Open license

Verification

Quick package check

Checks only the integrity of the downloaded .deb. A shared download origin is not proof of provenance.

mkdir -p /tmp/netmon-check
cd /tmp/netmon-check
wget https://netmonroots.com/dist/netmon_1.1.21_all.deb
wget https://netmonroots.com/dist/SHA256SUMS
grep 'netmon_1.1.21_all.deb' SHA256SUMS | sha256sum -c

Signed releases

Signed releases include SHA256SUMS.minisig, netmonroots.minisign.pub, and the verifier script. Repository pin: key ID 54BF5F1867BDD004, public key RWQE0L1nGF+/VDIfeLCEp4x2UutfhhdCmPKSMTZY05kXJprqXyXfzo9R.

Full check incl. signature

Checks package and docs. Provenance is established only after comparing the public key with a key published through an independent channel.

mkdir -p /tmp/netmon-check/docs
cd /tmp/netmon-check
wget https://netmonroots.com/dist/netmon_1.1.21_all.deb
wget https://netmonroots.com/dist/SHA256SUMS
wget https://netmonroots.com/dist/SHA256SUMS.minisig
wget https://netmonroots.com/dist/docs/netmon_dokumentation_1.1.21.pdf -O docs/netmon_dokumentation_1.1.21.pdf
wget https://netmonroots.com/dist/docs/netmon_dokumentation_1.1.21.html -O docs/netmon_dokumentation_1.1.21.html
wget https://netmonroots.com/verify/netmonroots.minisign.pub
wget https://netmonroots.com/verify/verify_netmon_signature.sh
chmod +x verify_netmon_signature.sh
sha256sum -c SHA256SUMS
bash verify_netmon_signature.sh \
  netmonroots.minisign.pub \
  SHA256SUMS.minisig \
  SHA256SUMS

Package: 1.1.21

Docs: 1.1.21

Status: Final Release. Please check Updates before installing.

Signature: Signed releases are supported via Minisign.