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lemmy - Link to source

How does browserleaks detect uBlock blocklists ?
browserleaks.com/proxy

Content Filters and Proxy Detection

This page provides detectors to identify the usage of content filters that manipulate the connection and content between the browser and the visited web page. Examples of such filters include Tor Browser and AdBlockers.
BrowserLeaks
#privacy
in reply to tdTrX

whyNotSquirrel
lemmy - Link to source
whyNotSquirrel
• •
I would guess it's because you don't download blocked resources so the server will know
in reply to tdTrX

PierceTheBubble
lemmy - Link to source
PierceTheBubble
• •
Checking the network traffic, it does a series of "s_a_f_e..Overflow" (indicating safe buffer overflows?), replacing them with filter-list-specific domains after the overflow (the address after the long string of characters); triggering uBlock to block these requests?
This entry was edited (2 weeks ago)
in reply to tdTrX

Kristell
lemmy - Link to source
Kristell
• •
It's very wrong about my entire setup, but it'll be because it can tell you didn't download some things
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PierceTheBubble
lemmy - Link to source
PierceTheBubble
• •
Hmm, maybe it also monitors for changes to the DOM: cosmetic filtering done by uBlock (to hide/remove containers for these elements)? Something which network filtering by itself cannot do?
This entry was edited (2 weeks ago)
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