Can you open https://cos-bst.net from mainland China?
Sometimes.
Access is unreliable — 100% of the last 2 conclusive tests showed interference.
Access cos-bst.net with GreatFireVPN →2026first tested
2/2disrupted · last 90 days
2 h agolast tested
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Frequently asked questions
Is https://cos-bst.net blocked in mainland China right now?
As of the last test on 2026-08-12, https://cos-bst.net is 100% disrupted in mainland China, based on GreatFire's live Great Firewall measurements.
Why is https://cos-bst.net blocked in mainland China?
Access is unreliable — 100% of the last 2 conclusive tests showed interference.
Since when has https://cos-bst.net been blocked?
GreatFire has recorded interference with https://cos-bst.net from mainland China since 2026-08-12.
How can I access https://cos-bst.net from mainland China?
You need a circumvention tool such as a VPN. GreatFireVPN, built by GreatFire, is designed to bypass the Great Firewall and reach sites like cos-bst.net.
https://cos-bst.net · JSON