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Android SSL Proxy - Works on browser but not on app

K | Last updated: Jan 08, 2018 07:24PM UTC

Hello, I'm trying to proxy traffic from an android application to Burp. I've setup the proxy on the mobile device's WiFi settings and imported the Burp CA certificate onto the android device. I'm able to see traffic from the android device when I use the device's web browser. However, when I try to intercept traffic from the mobile application I keep getting the message: "The client failed to negotiate an SSL connection to <target_host>: Received fatal alert: certificate_unkown" The app is using a series of web services so I'm assuming I should be able to see the traffic. Any ideas on what I could do to resolve this. Thanks in advance.

Liam, PortSwigger Agent | Last updated: Jan 09, 2018 09:47AM UTC