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# Russian Anticensorship on PAC-Scripts
This repo contains an extension for Chromium and FireFox that helps to bypass censorship in Russia: [WebStore](https://chrome.google.com/webstore/detail/npgcnondjocldhldegnakemclmfkngch)
| [Sources](./extensions/chromium/runet-censorship-bypass).
This extension uses pac scripts, one of which (anticensority) is generated by this [pac-generator].
[pac-generator]: https://github.com/anticensority/pac-script-generator
## Install / Установка
1. [Chrome Web Store](https://chrome.google.com/webstore/detail/обход-блокировок-рунета/npgcnondjocldhldegnakemclmfkngch)
2. [Chrome Web Store (MINI)](https://chrome.google.com/webstore/detail/обход-блокировок-рунета-м/gnknjnebjldmkpmlhjipalimhjofpgho)
3. [Microsoft Edge Add-ons](https://microsoftedge.microsoft.com/addons/detail/обход-блокировок-рунета/ajgpnodjpffiagcfmifildjpoaeiobfh)
4. [Microsoft Edge Add-ons (MINI)](https://microsoftedge.microsoft.com/addons/detail/обход-блокировок-рунета-м/cjppllmpmkpjfchbaoebeneghcbmlibj)
5. [FireFox Add-ons](https://addons.mozilla.org/ru/firefox/addon/обход-блокировок-рунета/).
6. Opera: сначала [установщик расширений из WebStore](https://addons.opera.com/ru/extensions/details/install-chrome-extensions/) (от команды Opera), затем см. пункты 1 и 2 выше.
7. Пакеты для автономной (offline) установки / Packages for offline installation: https://github.com/anticensority/runet-censorship-bypass/releases.
Из-за блокировок адресов Google расширение может не устанавливаться из WebStore. Подробности и способы установки см. https://github.com/anticensority/runet-censorship-bypass/wiki/Автономная-установка-расширения.
## Why I do This
See [my arguments against censorship (ru)](https://github.com/anticensority/runet-censorship-bypass/wiki/Почему-мы-это-делаем%3F-Аргументы-против-цензуры).
Looking at how Russian government [distorts TV](https://therussianreader.wordpress.com/2015/11/22/russian-truckers-strike-dagestan/) and blocks [critics of Putin](https://www.reuters.com/article/us-russia-internet-idUSBREA2C21L20140313),
I decided to write an anti-censorship extension for Chromium before they strike me first.
## How it Works
0. PAC script is a JavaScript file, triggered on every URL request, which tells the browser which proxy to use if any for this particular URL.
1. The Chrome Extension sets the PAC-script in browser settings and keeps it synced with the PAC script on the server. It offers Antizapret (hosted on a dedicated server) or Anticensority (hosted on GitHub) built-in PAC scripts for the user choice.
2. On every request the PAC script checks if the host is blocked or if its IP is blocked.
3. If an address is blocked, the PAC script returns the proxy server to the browser. The Antizapret PAC script uses its own proxy servers and the Anticensority PAC-script uses local Tor.
4. PAC scripts on servers are updated periodically from https://github.com/zapret-info/z-i.
## Contributors
This project exists thanks to all the people who contribute.
## Backers
Thank you to all our backers! 🙏 [[Become a backer](https://opencollective.com/anticensority#backer)]
## Sponsors
Support this project by becoming a sponsor. Your logo will show up here with a link to your website. [[Become a sponsor](https://opencollective.com/anticensority#sponsor)]
