ccc.de
Mixed
Results vary across ccc.de: of 17 URLs tested, 5 are blocked, 1 is disrupted some of the time, 5 load normally and 6 have no conclusive recent result. The site itself, https://ccc.de, loads normally. The Great Firewall silently drops its packets so requests time out, poisons its DNS and blocks the connection outright. 866 tests have been run under this domain since 2011-04-29, the most recent on 2026-07-05.
The site itself
http://ccc.deNot blockedhttps://ccc.deas of 2026Not blockedhttp://www.ccc.deas of 2026Not blockedhttps://www.ccc.deas of 2026Not blockedPages and subdomains (13)
http://tor.ccc.deUnresolvablehttps://tor.ccc.deUnresolvablehttp://media.ccc.deas of 2026Blockedhttps://media.ccc.deas of 2026Blockedhttps://events.ccc.deas of 2026Not blockedhttps://cdn.media.ccc.deas of 2026Blockedhttp://chinesewall.ccc.de/index-de.htmlUnresolvablehttp://media.ccc.de/browse/congress/2014/index.htmlBlockedhttp://tor.ccc.de/dist/torbrowser/tor-browser-2.4.12-alpha-2_en-US.exeUnresolvablehttps://tor.ccc.de/dist/torbrowser/6.5/tor-browser-linux32-6.5_en-US.tar.xz.ascUnresolvablehttps://media.ccc.de/v/32c3-7196-how_the_great_firewall_discovers_hidden_circumvention_serversas of 2026Blockedhttp://tor.ccc.de/dist/torbrowser/tor-pluggable-transports-browser-2.4.12-alpha-2-pt1_en-US.exeUnresolvablehttp://media.ccc.de/browse/congress/2014/31c3_-_6071_-_en_-_saal_g_-_201412281730_-_hacking_ethics_in_education_-_jeroen_van_der_ham.htmlIntermittentAbout ccc.de and the Great Firewall
Results vary across ccc.de: of 17 URLs tested, 5 are blocked, 1 is disrupted some of the time, 5 load normally and 6 have no conclusive recent result. The site itself, https://ccc.de, loads normally. The Great Firewall silently drops its packets so requests time out, poisons its DNS and blocks the connection outright. 866 tests have been run under this domain since 2011-04-29, the most recent on 2026-07-05.
A VPN or another circumvention tool routes the request outside mainland China, past the filtering that blocks ccc.de. 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
Each URL's status is its verdict over the last 90 days, the same one its own page headlines.