[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"project-4969":3},{"id":4,"name":5,"fullName":6,"owner":7,"repo":5,"description":8,"homepage":9,"htmlUrl":10,"language":11,"languages":10,"totalLinesOfCode":10,"stars":12,"forks":13,"watchers":14,"openIssues":15,"contributorsCount":16,"subscribersCount":16,"size":16,"stars1d":17,"stars7d":18,"stars30d":19,"stars90d":16,"forks30d":16,"starsTrendScore":20,"compositeScore":21,"rankGlobal":10,"rankLanguage":10,"license":22,"archived":23,"fork":23,"defaultBranch":24,"hasWiki":25,"hasPages":23,"topics":26,"createdAt":10,"pushedAt":10,"updatedAt":38,"readmeContent":39,"aiSummary":40,"trendingCount":16,"starSnapshotCount":16,"syncStatus":17,"lastSyncTime":41,"discoverSource":42},4969,"portmaster","safing\u002Fportmaster","safing","🏔 Love Freedom - ❌ Block Mass Surveillance","https:\u002F\u002Fsafing.io",null,"Go",12976,517,87,68,0,2,28,379,14,43.14,"GNU General Public License v3.0",false,"development",true,[27,28,29,30,31,32,33,34,35,36,37],"application-firewall","dns","firewall","go","golang","networking","privacy","privacy-by-design","privacy-enhancing-technologies","privacy-protection","privacy-tools","2026-06-12 02:01:06","# Get Peace of Mind \u003Cbr> with [Easy Privacy](https:\u002F\u002Fsafing.io\u002F)\n\nPortmaster is a free and open-source application firewall that does the heavy lifting for you.\nRestore privacy and take back control over all your computer's network activity.\n\nWith 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.\n\n__[Download for Free](https:\u002F\u002Fsafing.io\u002Fdownload\u002F)__\n\n__[About Us](https:\u002F\u002Fsafing.io\u002Fabout\u002F)__\n\n![Portmaster User Interface](https:\u002F\u002Fsafing.io\u002Fassets\u002Fimg\u002Fpage-specific\u002Flanding\u002Fportmaster-thumbnail.png?)\n\n_seen on:_  \n\n[\u003Cimg src=\"https:\u002F\u002Fsafing.io\u002Fassets\u002Fimg\u002Fexternal\u002Fheise_online.svg\" height=\"35\">](https:\u002F\u002Fwww.heise.de\u002Ftests\u002FDatenschutz-Firewall-Portmaster-im-Test-9611687.html)\n   \n[![ghacks.net](https:\u002F\u002Fsafing.io\u002Fassets\u002Fimg\u002Fexternal\u002Fghacks.png)](https:\u002F\u002Fwww.ghacks.net\u002F2022\u002F11\u002F08\u002Fportmaster-1-0-released-open-source-application-firewall\u002F)\n   \n[![Techlore](https:\u002F\u002Fsafing.io\u002Fassets\u002Fimg\u002Fexternal\u002Ftechlore.png)](https:\u002F\u002Fwww.youtube.com\u002Fwatch?v=E8cTRhGtmcM)\n   \n[![Lifehacker](https:\u002F\u002Fsafing.io\u002Fassets\u002Fimg\u002Fexternal\u002Flogos\u002Flifehacker.webp)](https:\u002F\u002Flifehacker.com\u002Fthe-lesser-known-apps-everyone-should-install-on-a-new-1850223434)\n\n## [Features](https:\u002F\u002Fsafing.io\u002Ffeatures\u002F)\n\n1. Monitor All Network Activity\n2. Full Control: Block Anything\n3. Automatically Block Trackers & Malware\n4. Set Global & Per‑App Settings\n5. Secure DNS (Doh\u002FDoT)\n6. Record and Search Network Activity ([$](https:\u002F\u002Fsafing.io\u002Fpricing\u002F))\n7. Per-App Bandwidth Usage ([$](https:\u002F\u002Fsafing.io\u002Fpricing\u002F))\n8. [SPN, our Next-Gen Privacy Network](https:\u002F\u002Fsafing.io\u002Fspn\u002F) ([$$](https:\u002F\u002Fsafing.io\u002Fpricing\u002F))\n\n# Technical Introduction\n\nPortmaster is a privacy suite for your Windows and Linux desktop.\n\n### Base Technology\n\n- Portmaster integrates into network stack using nfqueue on Linux and a kernel driver (WFP) on Windows.\n- Packets are intercepted at the raw packet level - every packet is seen and can be stopped.\n- Ownership of connections is found using eBPF and `\u002Fproc` on Linux and a kernel driver and the IP Helper API (`iphlpapi.dll`) on Windows.\n- Most settings can be defined per app, which can be matched in different ways.\n- Support for special processes with weird or concealed paths\u002Factors:\n  - Snap, AppImage and Script support on Linux\n  - Windows Store apps and svchost.exe system services support on Windows\n- Everything is 100% local on your device. (except the SPN, naturally)\n  - Updates are fully signed and downloaded automatically.\n  - Intelligence data (block lists, geoip) is downloaded and applied automatically.\n- The Portmaster Core Service runs as a system service, the UI elements (App, Notifier) run in user context.\n- The main UI still uses electron as a wrapper :\u002F - but this will change in the future. You can also open the UI in the browser\n\n### Feature: Secure DNS\n\n- Portmaster intercepts \"astray\" DNS queries and reroutes them to itself for seamless integration.\n- DNS queries are resolved by the default or configured DoT\u002FDoH resolvers.\n- Full support for split horizon and horizon validation to defend against rebinding attacks.\n\n### Feature: Privacy Filter\n\n- Define allowed network scopes: Localhost, LAN, Internet, P2P, Inbound.\n- Easy rules based on Internet entities: Domain, IP, Country and more.\n- Filter Lists block common malware, ad, tracker domains etc.\n\n### Feature: Network History ($)\n\n- Record connections and their details in a local database and search all of it later\n- Auto-delete old history or delete on demand\n\n### Feature: Bandwidth Visibility ($)\n\n- Monitor bandwidth usage per connection and app\n\n### Feature: SPN - Safing Privacy Network ($$)\n\n- A Privacy Network aimed at use cases \"between\" VPN and Tor.\n- Uses onion encryption over multiple hops just like Tor.\n- Routes are chosen to cover most distance within the network to increase privacy.\n- Exits are chosen near the destination server. This automatically geo-unblocks in many cases.\n- Exclude apps and domains\u002Fentities from using SPN.\n- Change routing algorithm and focus per app.\n- Nodes are hosted by Safing (company behind Portmaster) and the community.\n- Speeds are pretty decent (>100MBit\u002Fs).\n- Further Reading: [SPN Whitepaper](https:\u002F\u002Fsafing.io\u002Ffiles\u002Fwhitepaper\u002FGate17.pdf)\n\n## Documentation\n\nAll details and guides in the dedicated [wiki](https:\u002F\u002Fwiki.safing.io\u002F)\n\n- [Getting Started](https:\u002F\u002Fwiki.safing.io\u002Fen\u002FPortmaster\u002FApp)\n- Install\n  - [on Windows](https:\u002F\u002Fwiki.safing.io\u002Fen\u002FPortmaster\u002FInstall\u002FWindows)\n  - [on Linux](https:\u002F\u002Fwiki.safing.io\u002Fen\u002FPortmaster\u002FInstall\u002FLinux)\n- [Contribute](https:\u002F\u002Fwiki.safing.io\u002Fen\u002FContribute)\n- [VPN Compatibility](https:\u002F\u002Fwiki.safing.io\u002Fen\u002FPortmaster\u002FApp\u002FCompatibility#vpn-compatibly)\n- [Software Compatibility](https:\u002F\u002Fwiki.safing.io\u002Fen\u002FPortmaster\u002FApp\u002FCompatibility)\n- [Architecture](https:\u002F\u002Fwiki.safing.io\u002Fen\u002FPortmaster\u002FArchitecture)\n- [Settings Handbook](https:\u002F\u002Fdocs.safing.io\u002Fportmaster\u002Fsettings)\n- [Portmaster Developer API](https:\u002F\u002Fdocs.safing.io\u002Fportmaster\u002Fapi)\n\n# Build Portmaster Yourself (WIP)\n\n1. [Install Earthly CLI](https:\u002F\u002Fearthly.dev\u002Fget-earthly)\n2. [Install Docker Engine](https:\u002F\u002Fdocs.docker.com\u002Fengine\u002Finstall\u002F)\n3. Run `earthly +release`\n4. Find artifacts in `.\u002Fdist`\n","Portmaster是一款免费且开源的应用防火墙，旨在恢复用户隐私并对计算机的所有网络活动进行控制。它通过拦截和监控所有进出流量，自动阻止追踪器和恶意软件，并允许用户对每个应用程序的网络访问权限进行细粒度设置来实现这一目标。此外，Portmaster还支持安全DNS（DoH\u002FDoT），进一步增强用户的在线安全性。该工具特别适合那些重视个人隐私保护、希望对自己的数据拥有更多控制权的用户使用，无论是日常上网还是处理敏感信息时都能提供额外的安全保障。","2026-06-11 03:01:47","top_language"]