Can you open http://blog.mozilla.org/security/files/2015/04/CNNIC-MCS.pdf from mainland China?
Sometimes.
Access is unreliable — 50% of the last 2 conclusive tests showed interference.
Access blog.mozilla.org with GreatFireVPN →Frequently asked questions
Is http://blog.mozilla.org/security/files/2015/04/CNNIC-MCS.pdf blocked in mainland China right now?
As of the last test on 2026-08-21, http://blog.mozilla.org/security/files/2015/04/CNNIC-MCS.pdf is 50% disrupted in mainland China, based on GreatFire's live Great Firewall measurements.
Why is http://blog.mozilla.org/security/files/2015/04/CNNIC-MCS.pdf blocked in mainland China?
Access is unreliable — 50% of the last 2 conclusive tests showed interference.
Since when has http://blog.mozilla.org/security/files/2015/04/CNNIC-MCS.pdf been blocked?
GreatFire has recorded interference with http://blog.mozilla.org/security/files/2015/04/CNNIC-MCS.pdf from mainland China since 2020-10-21.
How can I access http://blog.mozilla.org/security/files/2015/04/CNNIC-MCS.pdf 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 blog.mozilla.org.
http://blog.mozilla.org/security/files/2015/04/CNNIC-MCS.pdf · JSON