Can you open cdn1.ustream.tv/crossdomain.xml from mainland China?
No.
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Access cdn1.ustream.tv with GreatFireVPN →2014first tested
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Frequently asked questions
Is cdn1.ustream.tv/crossdomain.xml blocked in mainland China right now?
As of the last test on 2026-07-04, cdn1.ustream.tv/crossdomain.xml is 100% blocked in mainland China, based on GreatFire's live Great Firewall measurements.
Why is cdn1.ustream.tv/crossdomain.xml blocked in mainland China?
It's blocked — 100% of the last 1 conclusive tests failed in mainland China.
Since when has cdn1.ustream.tv/crossdomain.xml been blocked?
GreatFire has recorded interference with cdn1.ustream.tv/crossdomain.xml from mainland China since 2014-01-17.
How can I access cdn1.ustream.tv/crossdomain.xml 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 cdn1.ustream.tv/crossdomain.xml.
http://cdn1.ustream.tv/crossdomain.xml · JSON