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GoodByeDPI

From Wikipedia, the free encyclopedia
GoodByeDPI
DeveloperValdikSS
Initial release2016
Repository
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

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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

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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

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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

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  • 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]
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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

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  1. ^ Link, Code (2024-08-14). "GoodbyeDPI: An Overview and Guide to Bypassing DPI-Based Censorship". Medium. Archived from the original on 2025-06-27. Retrieved 2025-09-04.
  2. ^ "Can GoodbyeDPI Unblock Restricted Websites Safely". 2025-07-12. Retrieved 2025-09-05.
  3. ^ "GoodByeDPI — GitHub". GitHub. Retrieved 2025-09-05.
  4. ^ a b "The Kremlin's war on streaming: How Russia is moving to block YouTube and why its efforts may bring down the entire Runet". The Insider (in Russian). Retrieved 2025-09-05.
  5. ^ "Под Новый год в России перестал работать ютьюб. Что же теперь делать?! Инструкция с проверенными опциями (к сожалению, легких почти не осталось)". Meduza (in Russian). Retrieved 2025-09-05.
  6. ^ a b "Как обойти замедление YouTube. «Новая-Европа» делится самыми простыми способами преодолеть цензуру". Новая газета Европа. 2024-04-05. Retrieved 2025-09-05.
  7. ^ "Traffic speeds reveal that Russia's YouTube slowdown is targeted throttling, not Google Global Cache 'equipment failure'". Meduza. Retrieved 2025-09-05.
  8. ^ "Why Are Users Choosing GoodByeDPI for Private Browsing?". Dignotech. July 2025. Retrieved 2025-09-05.
  9. ^ Cite error: The named reference medium was invoked but never defined (see the help page).
  10. ^ "Does GoodByeDPI Really Defeat Deep Packet Inspection?". RockBandNews. August 2025. Retrieved 2025-09-05.
  11. ^ "Эксперты подтверждают, что в России начали искусственно замедлять ютуб". Медиазона (in Russian). Retrieved 2025-09-05.
  12. ^ "How Does GoodByeDPI Help Bypass Website Censorship?". ReadsBlogs. September 2025. Retrieved 2025-09-05.
  13. ^ "How to bypass Discord blocking: VPN, GoodbyeDPI, alternatives" (in Russian). Verstka. 2024-10-10. Retrieved 2025-09-05.
  14. ^ "В России начали замедлять YouTube? А скоро вообще заблокируют? Или все дело правда в технических проблемах? Пытаемся разобраться с IT-экспертом Михаилом Климаревым". Meduza (in Russian). Retrieved 2025-09-05.
  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)". Meduza (in Russian). Retrieved 2025-09-05.
  16. ^ "Опубликовано исследование о давлении на независимые медиа в России". roskomsvoboda.org (in Russian). Retrieved 2025-09-05.
  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". ooni.org. Retrieved 2025-09-05.
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