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Wireguard is known to be fingerprintable[1]. But at this moment it is unlikely UDP traffic will be filtered by Chinese GFW[2]. But this may change any moment.

[1]: https://lists.zx2c4.com/pipermail/wireguard/2018-September/0...

[2]: https://gfw.report/publications/usenixsecurity23/en/#sec:res...



I don't think it's true that UDP is completely unfiltered.

I tried setting up a Wireguard site-to-site tunnel for $WORKs Chinese office to access EU office- it stopped working within a day.




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