We confirm the blocking of at least 25 sites related to the Catalan referendum by means of DNS tampering and HTTP blocking, based on OONI Probe network measurements collected from three local networks. OONI data shows that these sites were blocked every day from (at least) 25th September 2017 (when the testing started) leading up to the referendum day, on 1st October 2017.
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Publication date: 3rd October 2017
Publisher: Open Observatory of Network Interference (OONI) and Virtual Road/Qurium