All of csdn.netMixed29 tested URLs
Can you open http://www.csdn.net from mainland China?
Sometimes.
Access is unreliable — 100% of the last 1 conclusive tests showed interference.
Access www.csdn.net with GreatFireVPN →2011first tested
1/1disrupted · last 90 days
19 d agolast tested
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Frequently asked questions
Is http://www.csdn.net blocked in mainland China right now?
As of the last test on 2026-08-26, http://www.csdn.net is 100% disrupted in mainland China, based on GreatFire's live Great Firewall measurements.
Why is http://www.csdn.net blocked in mainland China?
Access is unreliable — 100% of the last 1 conclusive tests showed interference.
Since when has http://www.csdn.net been blocked?
GreatFire has recorded interference with http://www.csdn.net from mainland China since 2011-03-31.
How can I access http://www.csdn.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 www.csdn.net.
http://www.csdn.net · JSON