Can you open hec.su/c2sp from mainland China?
No.
No recent testsVerdict from 2026-03-02 · 5 mo ago
As of the last test on 2026-03-02 — 5 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Access hec.su/c2sp with GreatFireVPN →Frequently asked questions
Is hec.su/c2sp blocked in mainland China right now?
We haven't tested hec.su/c2sp in the last 90 days. As of the last test on 2026-03-02 (5 mo ago), it was blocked in mainland China. Use the Test now button on this page for a fresh measurement.
Why is hec.su/c2sp blocked in mainland China?
As of the last test on 2026-03-02 — 5 mo ago — it was blocked in mainland China. We haven't tested it since, so this may have changed.
Since when has hec.su/c2sp been blocked?
GreatFire has recorded interference with hec.su/c2sp from mainland China since 2016-02-27.
How can I access hec.su/c2sp 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 hec.su/c2sp.
http://hec.su/c2sp · JSON