GreatFire

cssa.org.tw

Mixed

Results vary across cssa.org.tw: of 4 URLs tested, 3 are blocked and 1 is disrupted some of the time. The Great Firewall silently drops its packets so requests time out, poisons its DNS and breaks its TLS handshake. 40 tests have been run under this domain since 2023-07-06, the most recent on 2026-05-02.

Timeout / silent drop 3 DNS poisoning 2 TLS handshake failure 1
4URLs tested
3blocked
40tests all-time
2023first tested
3 mo agolast tested

The site itself

https://www.cssa.org.twas of 2026Intermittent

Pages and subdomains (3)

http://csstc.cssa.org.twas of 2025Blockedhttps://csstc.cssa.org.twas of 2026Blockedhttps://csstc.cssa.org.tw?m=Homepage&c=Index&a=indexBlocked

About cssa.org.tw and the Great Firewall

Is cssa.org.tw blocked in mainland China?

Results vary across cssa.org.tw: of 4 URLs tested, 3 are blocked and 1 is disrupted some of the time. The Great Firewall silently drops its packets so requests time out, poisons its DNS and breaks its TLS handshake. 40 tests have been run under this domain since 2023-07-06, the most recent on 2026-05-02.

How can I reach cssa.org.tw from mainland China?

A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks cssa.org.tw. GreatFire runs GreatFire VPN; the Analyzer also tests the domains of many VPN and proxy providers, so you can check whether one is reachable before relying on it.

Elsewhere on the site

Most-blocked .org.tw domainsEvery tested URL under cssa.org.tw

Each URL's status is its verdict over the last 90 days, the same one its own page headlines.