Software:GoodByeDPI

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GoodByeDPI
File:RKN goatse.svg
Developer(s)ValdikSS
Initial release2016
Operating systemWindows XP SP3 and later
LicenseMIT
Websitegithub.com/ValdikSS/GoodbyeDPI

GoodByeDPI is a free and open-source software tool for bypassing deep packet inspection (DPI) systems and Internet censorship.[1][2] It was created by Russian developer ValdikSS in 2016 and is distributed under the MIT License via GitHub.[3]

History

GoodByeDPI was first released in 2016 as an experimental tool to study DPI-based filtering in Russia.[4]

In 2024, the program gained wide popularity after the deliberate throttling of YouTube in Russia. Independent outlets reported it as one of the main tools used to circumvent restrictions.[5][6][7]

Technical overview

GoodByeDPI uses the WinDivert library to intercept and modify network traffic at the Windows driver level.[8] It manipulates packets in ways that make DPI systems unable to properly recognize them, allowing access to blocked resources.[9]

Main techniques include:

  • fragmentation of TCP packets;
  • modification of HTTP headers;
  • SNI obfuscation in TLS sessions;
  • insertion of non-standard TCP flags.[10]

Usage

The program is distributed as a Windows console utility and configured via command-line parameters. Media reports and users describe it as effective for bypassing YouTube throttling and other restrictions.[6][11]

GoodByeDPI has also been reported as used to bypass blocking of Telegram, LinkedIn and several foreign media outlets.[12]

The software is available only on Windows.[13]

Reception

  • Meduza reported that the tool helps to bypass YouTube throttling but requires careful setup and may interfere with some services.[14][15]
  • The Insider noted its rising popularity and warned of fake builds spreading online.[4]
  • Research by OONI has cited GoodByeDPI as an example of client-side packet segmentation tools used to evade filtering.[16][17]

While direct penalties for end users have not been documented, Russian law empowers Roskomnadzor to block sites distributing circumvention software or instructions, including VPNs and DPI bypass tools.

References

  1. ↑ Link, Code (2024-08-14). "GoodbyeDPI: An Overview and Guide to Bypassing DPI-Based Censorship" (in en). https://medium.com/@mattouchi6/goodbyedpi-an-overview-and-guide-to-bypassing-dpi-based-censorship-73fcf886e485. 
  2. ↑ "Can GoodbyeDPI Unblock Restricted Websites Safely". 2025-07-12. https://www.digitalnewsreports.com/blog/can-goodbyedpi-unblock-restricted-websites-safely/. 
  3. ↑ "GoodByeDPI — GitHub". GitHub. https://github.com/ValdikSS/GoodbyeDPI. 
  4. ↑ 4.0 4.1 "The Kremlin's war on streaming: How Russia is moving to block YouTube and why its efforts may bring down the entire Runet" (in ru). https://theins.ru/en/society/273838. 
  5. ↑ "Под Новый год в России перестал работать ютьюб. Что же теперь делать?! Инструкция с проверенными опциями (к сожалению, легких почти не осталось)" (in ru). https://meduza.io/feature/2024/08/09/yutyub-v-rossii-na-grani-polnoy-blokirovki-eto-ne-znachit-chto-vam-stoit-otkazyvatsya-ot-prosmotra-video-na-platforme. 
  6. ↑ 6.0 6.1 "Как обойти замедление YouTube. «Новая-Европа» делится самыми простыми способами преодолеть цензуру". 2024-04-05. https://novayagazeta.eu/articles/2024/08/05/kak-oboiti-zamedlenie-youtube. 
  7. ↑ "Traffic speeds reveal that Russia's YouTube slowdown is targeted throttling, not Google Global Cache 'equipment failure'" (in en). https://meduza.io/en/feature/2024/07/12/traffic-speeds-reveal-that-russia-s-youtube-slowdown-is-targeted-throttling-not-google-global-cache-equipment-failure. 
  8. ↑ "Why Are Users Choosing GoodByeDPI for Private Browsing?". Dignotech. July 2025. https://dignotech.com/why-are-users-choosing-goodbyedpi-for-private-browsing/. 
  9. ↑ Cite error: Invalid <ref> tag; no text was provided for refs named medium
  10. ↑ "Does GoodByeDPI Really Defeat Deep Packet Inspection?". RockBandNews. August 2025. https://rockbandnews.com/does-goodbyedpi-really-defeat-deep-packet-inspection/. 
  11. ↑ "Эксперты подтверждают, что в России начали искусственно замедлять ютуб" (in ru). https://zona.media/news/2024/07/12/youtube. 
  12. ↑ "How Does GoodByeDPI Help Bypass Website Censorship?". ReadsBlogs. September 2025. https://www.readsblogs.com/blog/how-does-goodbyedpi-help-bypass-website-censorship/. 
  13. ↑ "How to bypass Discord blocking: VPN, GoodbyeDPI, alternatives" (in ru). Verstka. 2024-10-10. https://verstka.media/kak-obojti-blokirovku-discord-v-roskomnadzore-zayavili-chto-messendzher-ne-razblokiruyut-no-pochinit-ego-mozhno. 
  14. ↑ "В России начали замедлять YouTube? А скоро вообще заблокируют? Или все дело правда в технических проблемах? Пытаемся разобраться с IT-экспертом Михаилом Климаревым" (in ru). https://meduza.io/feature/2024/07/12/v-rossii-nachali-zamedlyat-youtube-a-skoro-voobsche-zablokiruyut-ili-vse-delo-pravda-v-tehnicheskih-problemah. 
  15. ↑ "«Он мертв, не грузит вообще» Читатели «Медузы» — о замедлении (а может, и блокировке) ютьюба. И о том, какими методами они с этим справляются (есть полезные советы)" (in ru). https://meduza.io/feature/2024/08/08/on-mertv-ne-gruzit-voobsche. 
  16. ↑ "Опубликовано исследование о давлении на независимые медиа в России" (in ru). https://roskomsvoboda.org/ru/post/russia-censorship-pressure-independent-media-ooni-report/. 
  17. ↑ Xynou, Maria; Evdokimov, Leonid; Filastò, Arturo; DefendDefenders; Artwork, With; POLLICY, contributions from (2018-11-12). "Uganda's Social Media Tax through the lens of network measurements" (in en). https://ooni.org/post/uganda-social-media-tax/. 




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