Cuthead

> China blocks not just Wikipedia, but also the Google Play Store, as well as F-Droid. F-Droid client embedded many mirrors, and some Chinese universities even provided their own F-Droid...

> It didn't bypass Internet censorship. Hi Odin, Someone at the phabricator ticket has pointed out that the GeoDNS was reverted. A possible workground is to add IP connectivity check,...

This compatibility has been utilized for years. Below is an incomplete list of circumvention tools based on it. ## Universal * Efficiently Bypassing SNI-based HTTPS Filtering, 2015 (Firefox extension 'Escape')...

> The SNI-slicing feature (implemented through client Initial Fragmentation) was included in the Neqo v0.12.0 release on January 27, 2025 [[24](https://gfw.report/publications/usenixsecurity25/en/#cite:neqo_pr2228_2024), [50](https://gfw.report/publications/usenixsecurity25/en/#cite:neqo_v0_12_0_release)]. Mozilla Firefox has since integrated this feature and...