'Charles Proxy certificate is installed on device but calls are blocked Android
So I am trying to use Charles to test the analytics on this app. I've followed many tutorials but I can't seem to get it to work.
I've set up Charles properly, connected my Android phone (Google Pixel, Android 8) through the proxy, downloaded and installed the certificate. When I run the app I can see the tracking server, Charles filters the rest of them away, but the calls are blocked and instead I see a red "x" and this message:
"SS Handshake Received fatal alert:certificate_unknown"
The certificate is installed to the device and trusted I don't know what I'm doing wrong.
It's also important to note that the security config file has been added to the app, but I am still getting this result.
Error example:
Solution 1:[1]
It's also important to note that the security config file has been added to the app, but I am still getting this result.
Can you share your security config file? If that's configured to trust user-installed certificates then you shouldn't have this problem, so there may be something wrong there. Compare it with this example.
Alternatively, this might be traffic from a different app on the device. Changing the proxy settings will redirect all traffic from the device, and other unmodified apps won't trust your certificate, so will cause these exact errors.
Sources
This article follows the attribution requirements of Stack Overflow and is licensed under CC BY-SA 3.0.
Source: Stack Overflow
| Solution | Source |
|---|---|
| Solution 1 | Tim Perry |