SSL Proxy Charles and Android trouble

Question

I want to test Https calls from android device using Charles proxy tool  I need to see the raw request response contents for debugging app  I ve configured Charles by adding the host and port under  Proxy Settings  -  SSL Tab  When I run the app  all SSL calls seems to disappear quickly from the Charles  Does any one has any idea how to fix this issue  Charles documentation doesn t seem to have information for Android devices

User · Answer

For me the issue was the IP address that charles was telling me to route to in my proxy settings was incorrect   To solve I ended up going to ifconfig in the terminal and the trying the different IP addresses  listed next to inet  at port 8888 for the current active connections

User · Answer

I figured the issue  Its because Charles 3 7 has some bugs for Android devices  I updated to Charles 3 8 Beta version and seems to working fine for me

User · Answer

The top rated answers are working perfect  a bit old but still working   but I just want to mention that since Android N we all can configure your apps in order to have diff trust SSL certificates  for release   debug only and so on   including Charles SSL Proxy certificate  if you download the Charles certificate and put  pem file in your raw folder   More info can be found here  https   developer android com training articles security-config html  Also the official Charles documentation can be useful to setup this   https   www charlesproxy com documentation using-charles ssl-certificates   Hope this will help to setup Charles inside your app project not on every single Android device

User · Answer

Thanks for  bkurzius s answer and this update is for Charles 3 10    The reason is here    Open Charles Go to Proxy   SSL Proxy Settings     Check    Enable SSL Proxying    Select    Add location    and enter the host name and port  if needed  Click ok and make sure the option is checked Go to Help   SSL Proxying   Install Charles Root Certificate on a Mobile Device or Remote Browser     and just follow the instruction   use the Android s browser to download and install the certificate   In    Name the certificate    enter whatever you want Click OK and you should get a message that the certificate was installed

User · Answer

I wasted 1 day finding the issue   my system was not asking connection  allow  or  reject   i though it was due to some certiifcate issue   tried all methods mentioned above but none of them worked   in the end i found  Firewall was real culprit    if firewall settings is ON   they will not allow charles to connect with your laptop via proxy IP   make them off and all things will work smoothly  Not sure if that was relevent answer but just want to share

User · Answer

Edit - this answer was for an earlier version of Charles  See  semicircle21 answer below for the proper steps for v3 10 x -- much easier than this approach too     -   For what it s worth here are the step by step instructions for this  They should apply equally well in iOS too    Open Charles Go to Proxy   Proxy Settings   SSL Check    Enable SSL Proxying    Select    Add location    and enter the host name and port  if needed  Click ok and make sure the option is checked Download the Charles cert from here  Charles cert   Send that file to yourself in an email  Open the email on your device and select the cert In    Name the certificate    enter whatever you want Click OK and you should get a message that the certificate was installed   You should then be able to see the SSL files in Charles  If you want to intercept and change the values you can use the   Map Local  tool which is really awesome    In Charles go to Tools   Map Local  Select  Add entry  Enter the values for the file you want to replace In    Local path    select the file you want the app to load instead Click OK Make sure the entry is selected and click OK Run your app You should see in    Notes    that your file loads instead of the live one

User · Answer

for the Android7  refer to  How to get charles proxy work with Android 7 nougat   for the Android version below Android7  From your computer  run Charles    Open Proxy Settings  Proxy -  Proxy Settings  Proxies Tab  check  Enable transparent HTTP proxying   and remember  Port  in heart    SSL Proxy Settings Proxy -  SSL Proxy Settings  SSL Proxying tab  Check    enable SSL Proxying     and add   to Locations    Open Access Control Settings  Proxy -  Access Control Settings  Add your local subnet to authorize machines on you local network to use the proxy from another machine mobile     In Android Phone    Configure your mobile   Go to Settings -  Wireless  amp  networks -  WiFi -  Connect or modify your network  fill in the computer IP address and Port 8888    Get Charles SSL Certificate  Visit this url from your mobile browser  http   charlesproxy com getssl  In    Name the certificate    enter whatever you want Accept the security warning and install the certificate  If you install it successful  then you probably see sth like that  In your phone  Settings -  Security -  Trusted credentials     Done   then you can have some test on your mobile  the encrypted https request will be shown in Charles

User · Answer

See here   http   jaanus com blog 2012 02 12 debugging-http-on-an-android-phone-or-tablet-with-charles-proxy-for-fun-and-profit   You would need to install the charles crt certificate to your device

User · Answer

For the newer emulator it might be helpful to launch from command line using    emulator -netdelay none -netspeed full -avd  lt emulator name gt  -http-proxy http    lt ip-address gt  8888  Make sure you follow  User9527 s advice above as well for the rest of the setup

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