vlan-probe

VLAN Isolation & Network Permission Probe Tool — standalone project extracted from the Ansible role in ansible-home-baseline.

vlan-probe is a command-line tool. Install it with pipx so it runs in an isolated environment and the vlan-probe command is available on your PATH.

Requirements

  • Python 3.10 or newer

Installation

Install with pipx (recommended)

pipx install vlan-probe

Upgrade to a newer release:

pipx upgrade vlan-probe

If you do not already have pipx, install it first (macOS/Homebrew, Debian/Ubuntu or Arch examples; see the pipx docs for other systems):

brew install pipx && pipx ensurepath
# or
apt install pipx && pipx ensurepath
# or
pacman -S python-pipx && pipx ensurepath

Install from source

# with pipx
pipx install .

# with uv (alternative)
uv tool install .

# or install directly into your environment
pip install .

Usage

  1. Install or copy to a host.
  2. Create a TOML config at /etc/vlan_probe.toml or pass -c to point to a different file.
  3. Run vlan-probe -f table or python -m vlan_probe -f table.

Configuration

Configuration uses TOML format for easy human readability and simplicity:

[[targets]]
name = "Internal - Device A SSH"
vlan = "Internal"
ip = "192.168.1.10"
port = 22
protocol = "tcp"
expected_blocked = true

[[targets]]
name = "Internal - Gateway HTTP"
vlan = "Internal"
ip = "192.168.2.1"
port = 80
protocol = "tcp"
expected_blocked = true

[[targets]]
name = "External - Public DNS"
vlan = "External"
ip = "8.8.8.8"
port = 53
protocol = "udp"
expected_blocked = false

Options

-c, --config PATH         Path to config TOML file (default: /etc/vlan_probe.toml)
-f, --format FORMAT       Output format: ndjson, json, or table (default: ndjson)
-t, --timeout SECONDS     Socket connection timeout (default: 2.0)
-s, --strict              Exit with code 1 if any violations occur
--color [auto|always|never]  Colorize output (default: auto)

Examples

# Display as table
vlan-probe -c ./vlan_probe.toml -f table

# Output JSON
vlan-probe -f json

# Strict mode with custom timeout
vlan-probe -s -t 5.0

# No color output
vlan-probe -f table --color never

Development

uv sync          # install dev dependencies
uv run pytest    # run tests
uv run ruff check . && uv run ruff format --check .   # lint
uv run mypy src  # type check

License

MIT (see LICENSE)

Project links

Data verified by PyPI on Aug 15, 2026
Data provided by the project maintainers, verified at the time the release was uploaded to PyPI.

Key dates

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  • Released:
Newer release available (0.6.0)

1 maintainer

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Avatar for hellqvio from gravatar.com hellqvio

Credits

Author: hellqvio

GitHub Statistics

Data verified by PyPI on Aug 15, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License expression

MIT
View SPDX License List

Requires

Python >=3.10

Classifiers

Report project as malware

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