Screenshot of an OONI Explorer measurement page pertaining to the F-Droid website test from 22nd June indicating that the website was blocked by means of DNS tampering and the tested network returned Dropbox IP instead of the requested one.

Notices where this attachment appears

1. OONI (ooni@mastodon.social)'s status on Tuesday, 27-Jun-2023 21:42:31 UTC OONI

   Starting June 22nd, OONI data from #China shows the blocking of F-Droid (@fdroidorg) by means of DNS injection, where an unrelated IP address (e.g., DropBox) is returned to the client.

   This technique is commonly used in China to restrict access to services.

   https://explorer.ooni.org/m/20230622211826.539282_CN_webconnectivity_87bc828c0c6e5758

   OONI data showing the block of F-Droid on at least 4 networks can be found here:

   https://explorer.ooni.org/chart/mat?probe_cc=CN&since=2023-05-28&tim[%E2%80%A6]est_name=web_connectivity&input=https%3A%2F%2Ff-droid.org%2F