Part of ethz.chAll clear5 tested URLs
Can you open https://sslvpn.ethz.ch from mainland China?
Yes.
All 1 recent conclusive tests connected normally.
Same address over HTTP:http://sslvpn.ethz.chNot enough data
The two are filtered by different means — an unencrypted request by the address and keywords it carries in the clear, an encrypted one by the server name in its TLS handshake — so one working while the other does not is normal.
2018first tested
0/1disrupted · last 90 days
26 d agolast tested
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Frequently asked questions
Is https://sslvpn.ethz.ch blocked in mainland China right now?
As of the last test on 2026-07-17, https://sslvpn.ethz.ch is not blocked in mainland China, based on GreatFire's live Great Firewall measurements.
https://sslvpn.ethz.ch · JSON