ucsb.edu

Mixed

Results vary across ucsb.edu: of 7 URLs tested, 1 is disrupted some of the time and 6 load normally. 146 tests have been run under this domain since 2012-06-02, the most recent on 2026-08-19.

Plain HTTP and HTTPS differ here: http://ucsb.edu is intermittent, https://ucsb.edu is not blocked.

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.

7URLs tested
6accessible
146tests all-time
2012first tested
7 d agolast tested

The site itself

http://ucsb.eduIntermittenthttps://ucsb.eduNot blockedhttp://www.ucsb.eduNot blockedhttps://www.ucsb.eduNot blocked

Pages and subdomains (3)

http://cadlab.ece.ucsb.eduas of 2026Not blockedhttps://ps.vpn.ucsb.edu/installas of 2026Not blockedhttps://ps.vpn.ucsb.edu/ra-trustedas of 2026Not blocked

About ucsb.edu and the Great Firewall

Is ucsb.edu blocked in mainland China?

Results vary across ucsb.edu: of 7 URLs tested, 1 is disrupted some of the time and 6 load normally. 146 tests have been run under this domain since 2012-06-02, the most recent on 2026-08-19.

Why does http://ucsb.edu behave differently from https://ucsb.edu?

Plain HTTP and HTTPS differ here: http://ucsb.edu is intermittent, https://ucsb.edu is not blocked. 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.

Elsewhere on the site

Most-blocked .edu domainsEvery tested URL under ucsb.edu

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