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GoodbyeDPI

From Wikipedia, the free encyclopedia
GoodbyeDPI
DeveloperValdikSS
Release2016
Operating systemWindows XP SP3 and later
LicenseApache License
Websitegithub.com/ValdikSS/GoodbyeDPI
Repository

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 Apache 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.[1]

Main techniques include:

  • fragmentation of TCP packets;
  • modification of HTTP headers;
  • SNI obfuscation in TLS sessions;
  • insertion of non-standard TCP flags.[9]

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][10]

GoodbyeDPI has also been reported as used to bypass blocking of Telegram, LinkedIn and several foreign media outlets.[11]

The software is available only on Windows.[12]

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.[13][14]
  • 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.[15][16]
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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. 1 2 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. 1 2 "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. 1 2 "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. ↑ "Does GoodByeDPI Really Defeat Deep Packet Inspection?". RockBandNews. August 2025. Retrieved 2025-09-05.
  10. ↑ "Эксперты подтверждают, что в России начали искусственно замедлять ютуб". Медиазона (in Russian). Retrieved 2025-09-05.
  11. ↑ "How Does GoodByeDPI Help Bypass Website Censorship?". ReadsBlogs. September 2025. Retrieved 2025-09-05.
  12. ↑ "How to bypass Discord blocking: VPN, GoodbyeDPI, alternatives" (in Russian). Verstka. 2024-10-10. Retrieved 2025-09-05.
  13. ↑ "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.
  14. ↑ "«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.
  15. ↑ "Опубликовано исследование о давлении на независимые медиа в России". roskomsvoboda.org (in Russian). Retrieved 2025-09-05.
  16. ↑ 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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