Know-How: 1st Party Tracking/CNAME cloacking

[Erenys]

A new way for tracking user has emerged: 1st party tracking. It use CNAME cloacking, based on the possibility for a site to have "pseudonyms".

CNAME Cloaking, the dangerous disguise of third-party trackers

An in-depth exploration of a new method used by tracking companies to disguise their third-party trackers as first-party trackers.

medium.com

Could TrackStop prevent this kind of tracking? TrackStop works at the DNS level, the DNS servers are under PP control, and the article aboves claims that NextDNS are protected against this kind of tracking?

NextDNS added CNAME Uncloaking support, becomes the first cross-platform solution to the problem

NextDNS is proud to announce all blocklists are now applied to each intermediate CNAMEs in addition to the queried domain name.

medium.com

 

[Morbis55]

uBlock Origin (and also uMatrix) will get a Update very soon, that fixes 1st party tracking.
For uBlock Origin there is already Beta v7, so almost ready for the final release

Releases · gorhill/uBlock

uBlock Origin - An efficient blocker for Chromium and Firefox. Fast and lean. - gorhill/uBlock

github.com