mirror of
https://github.com/safing/portmaster
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107 lines
5.2 KiB
Markdown
107 lines
5.2 KiB
Markdown
# Get Peace of Mind <br> with [Easy Privacy](https://safing.io/)
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Portmaster is a free and open-source application firewall that does the heavy lifting for you.
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Restore privacy and take back control over all your computer's network activity.
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With great defaults your privacy improves without any effort. And if you want to configure and control everything down to the last detail - Portmaster has you covered too. Developed in the EU 🇪🇺, Austria.
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__[Download for Free](https://safing.io/download/)__
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__[About Us](https://safing.io/about/)__
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_seen on:_
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[<img src="https://safing.io/assets/img/external/heise_online.svg" height="35">](https://www.heise.de/tests/Datenschutz-Firewall-Portmaster-im-Test-9611687.html)
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[](https://www.ghacks.net/2022/11/08/portmaster-1-0-released-open-source-application-firewall/)
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[](https://www.youtube.com/watch?v=E8cTRhGtmcM)
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[](https://lifehacker.com/the-lesser-known-apps-everyone-should-install-on-a-new-1850223434)
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## [Features](https://safing.io/features/)
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1. Monitor All Network Activity
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2. Full Control: Block Anything
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3. Automatically Block Trackers & Malware
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4. Set Global & Per‑App Settings
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5. Secure DNS (Doh/DoT)
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6. Record and Search Network Activity ([$](https://safing.io/pricing/))
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7. Per-App Bandwidth Usage ([$](https://safing.io/pricing/))
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8. [SPN, our Next-Gen Privacy Network](https://safing.io/spn/) ([$$](https://safing.io/pricing/))
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# Technical Introduction
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Portmaster is a privacy suite for your Windows and Linux desktop.
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### Base Technology
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- Portmaster integrates into network stack using nfqueue on Linux and a kernel driver (WFP) on Windows.
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- Packets are intercepted at the raw packet level - every packet is seen and can be stopped.
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- Ownership of connections is found using eBPF and `/proc` on Linux and a kernel driver and the IP Helper API (`iphlpapi.dll`) on Windows.
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- Most settings can be defined per app, which can be matched in different ways.
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- Support for special processes with weird or concealed paths/actors:
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- Snap, AppImage and Script support on Linux
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- Windows Store apps and svchost.exe system services support on Windows
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- Everything is 100% local on your device. (except the SPN, naturally)
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- Updates are fully signed and downloaded automatically.
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- Intelligence data (block lists, geoip) is downloaded and applied automatically.
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- The Portmaster Core Service runs as a system service, the UI elements (App, Notifier) run in user context.
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- The main UI still uses electron as a wrapper :/ - but this will change in the future. You can also open the UI in the browser
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### Feature: Secure DNS
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- Portmaster intercepts "astray" DNS queries and reroutes them to itself for seamless integration.
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- DNS queries are resolved by the default or configured DoT/DoH resolvers.
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- Full support for split horizon and horizon validation to defend against rebinding attacks.
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### Feature: Privacy Filter
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- Define allowed network scopes: Localhost, LAN, Internet, P2P, Inbound.
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- Easy rules based on Internet entities: Domain, IP, Country and more.
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- Filter Lists block common malware, ad, tracker domains etc.
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### Feature: Network History ($)
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- Record connections and their details in a local database and search all of it later
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- Auto-delete old history or delete on demand
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### Feature: Bandwidth Visibility ($)
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- Monitor bandwidth usage per connection and app
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### Feature: SPN - Safing Privacy Network ($$)
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- A Privacy Network aimed at use cases "between" VPN and Tor.
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- Uses onion encryption over multiple hops just like Tor.
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- Routes are chosen to cover most distance within the network to increase privacy.
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- Exits are chosen near the destination server. This automatically geo-unblocks in many cases.
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- Exclude apps and domains/entities from using SPN.
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- Change routing algorithm and focus per app.
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- Nodes are hosted by Safing (company behind Portmaster) and the community.
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- Speeds are pretty decent (>100MBit/s).
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- Further Reading: [SPN Whitepaper](https://safing.io/files/whitepaper/Gate17.pdf)
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## Documentation
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All details and guides in the dedicated [wiki](https://wiki.safing.io/)
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- [Getting Started](https://wiki.safing.io/en/Portmaster/App)
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- Install
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- [on Windows](https://wiki.safing.io/en/Portmaster/Install/Windows)
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- [on Linux](https://wiki.safing.io/en/Portmaster/Install/Linux)
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- [Contribute](https://wiki.safing.io/en/Contribute)
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- [VPN Compatibility](https://wiki.safing.io/en/Portmaster/App/Compatibility#vpn-compatibly)
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- [Software Compatibility](https://wiki.safing.io/en/Portmaster/App/Compatibility)
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- [Architecture](https://wiki.safing.io/en/Portmaster/Architecture)
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- [Settings Handbook](https://docs.safing.io/portmaster/settings)
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- [Portmaster Developer API](https://docs.safing.io/portmaster/api)
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# Build Portmaster Yourself (WIP)
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1. [Install Earthly CLI](https://earthly.dev/get-earthly)
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2. [Install Docker Engine](https://docs.docker.com/engine/install/)
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3. Run `earthly +release`
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4. Find artifacts in `./dist`
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