# Take Back Control of Your Computer

Portmaster is a free and open-source application that puts you back in charge over all your computer's network connections.
Developed in the EU 🇪🇺, Austria.

![Portmaster User Interface](https://assets.safing.io/portmaster/full-interface.png)

**⚠️ Disclaimer**

> Portmaster is Alpha Software, treat as such; expect bugs here and there. Early Adopters welcome.

## Features
1. [Monitor All Network Activity](https://safing.io/portmaster#network-all-network-activity)
2. [Manually Allow or Block Connections](https://safing.io/portmaster#manually-allow-or-block-connections)
3. [Auto-Block via Selected Filter Lists](https://safing.io/portmaster#auto-block-via-selected-filter-lists)
4. [Enforce DNS-over-TLS](https://safing.io/portmaster#enforce-dns-over-tls)
5. [Configure Settings for Different Networks](https://safing.io/portmaster#configure-settings-for-different-networks)
6. [Set Global & per‑App Settings](https://safing.io/portmaster#set-global-and-app-settings)
7. [**Download For Free**](https://safing.io/portmaster#downloads)
8. [FAQ](https://safing.io/portmaster#faq)

## Documentation

All technical details and guides live on the dedicated docs website:

- [Guides](https://docs.safing.io/portmaster/guides/contribute)
  - [Contribute](https://docs.safing.io/portmaster/guides/contribute)
  - [Settings Handbook](https://docs.safing.io/portmaster/settings)
  - [DNS Configuration](https://docs.safing.io/portmaster/guides/dns-configuration)
- [Install](https://docs.safing.io/portmaster/install/windows)
  - [on Windows](https://docs.safing.io/portmaster/install/windows)
  - [on Linux](https://docs.safing.io/portmaster/install/linux)
    - [Troubleshooting](https://docs.safing.io/portmaster/install/linux#troubleshooting)
  - [Status](https://docs.safing.io/portmaster/install/status/vpn-compatibility)
    - [VPN Compatibility](https://docs.safing.io/portmaster/install/status/vpn-compatibility)
    - [Software Compatibility](https://docs.safing.io/portmaster/install/status/software-compatibility)
    - [Mobile](https://docs.safing.io/portmaster/install/status/mobile)
    - [Mac](https://docs.safing.io/portmaster/install/status/mac)
- [Architecture](https://docs.safing.io/portmaster/architecture/overview)
  - [Technical Overview](https://docs.safing.io/portmaster/architecture/overview)
  - [Core Service](https://docs.safing.io/portmaster/architecture/core-service)
    - [Fundamentals](https://docs.safing.io/portmaster/architecture/core-service/fundamentals)
    - [Core](https://docs.safing.io/portmaster/architecture/core-service/core)
    - [Privacy Filter](https://docs.safing.io/portmaster/architecture/core-service/privacy-filter)
    - [Secure DNS](https://docs.safing.io/portmaster/architecture/core-service/secure-dns)
    - [SPN](https://docs.safing.io/portmaster/architecture/core-service/spn)
  - [OS Integration](https://docs.safing.io/portmaster/architecture/os-integration)
  - [User Interface](https://docs.safing.io/portmaster/architecture/user-interface)
  - [Notifier](https://docs.safing.io/portmaster/architecture/notifier)

## About Safing

Find out more about Safing, the company behind the Portmaster:

- [About](https://safing.io/about/)
- [Business Model](https://safing.io/business-model/)
- [Ownership](https://safing.io/ownership/)
- [Team](https://safing.io/team/)