Can you open h2.slyip.net:81 from mainland China?
Not sure yet.
There isn't enough recent data to reach a verdict.
2015first tested
2 mo agolast tested
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Frequently asked questions
Is h2.slyip.net:81 blocked in mainland China right now?
As of the last test on 2026-06-04, h2.slyip.net:81 is not enough data in mainland China, based on GreatFire's live Great Firewall measurements.
http://h2.slyip.net:81 · JSON