In the preferences for the ad-blocker Adaway, it has option to "Install self-signed certificate". What exactly does this do and what are the risks involved?

  • What is the Android version running on your phone? Is your device rooted?
    – Robert
    Nov 30 '20 at 11:57
  • 1
    The certificate is usually needed for filtering encrypted traffc
    – beeshyams
    Nov 30 '20 at 12:21

One of the best trends these days is the shift to encrypted Internet traffic, aka Transport Layer Security or TLS, and mobile apps are not the exception, often when testing a mobile app we need/want to see the data being sent from and received on our mobile devices but since most of the apps are using TLS on their network requests we cannot just proxy the traffic and understand the communication between the app and its server.

Adaway uses it to block ads efficiently (which is kinda obvious from the paragraph above :) )

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