1. Preparations
- Install JDK
Charles is developed by Java, please install the JDK first (the author's JDK version is 1.8.0_91).
- DownloadCharles
Official website download address , the latest version 4.0.2 supports macOS 10.7 - 10.12 (the author's macOS version is 10.12.4).
- Turn off VPN/proxy
In order to use Charles normally, please turn off your VPN or other proxy settings.
2. Charles configuration
1. Install the certificate
To grab the PC request, you need to install the certificate: install Charles Root Certificate
After the installation is complete, manually set the trust certificate
2. Capture HTTPS request settings-SSL Proxying Settings
set Host to *, which means to capture requests from all domains;
set port to 443, which means to capture HTTPS requests
After the setting is complete, click to check it to enable it, and click ok again.
3. Set system proxy
After installing Charles, if you directly capture the packet without setting the system proxy, you will not be able to capture any information
Method 1: Direct setting
Method 2: Manual setting
System Preferences - Network - Advanced - Proxy:
At this point, you can successfully capture packets on the PC side
4. Proxy settings for capturing packets on the mobile phone
1. Install the certificate
1.1 Download the certificate
The option to download all the mobile phone capture packages from Android
- Set up the charles proxy of the mobile phone (make sure that the mobile phone and the computer are under the same domain name)
- Visit http://chls.pro/ssl to download the certificate
The downloaded certificate suffix needs to be crt, if not, try the following methods:
- PC download, and then transfer to the mobile phone
- Android can rename files downloaded using UC browser
1.2 Certificate trust
Open Phone Settings - Security - More Security Settings - Encryption and Credentials - Install from Storage Device - Find the corresponding certificate, click to display the following picture, click OK, it will prompt that the installation is successful.
Open phone settings - general - about this machine - certificate trust settings - enable the newly installed certificate "Enable full trust for the root certificate" option
To check whether the installation is successful, you can open the phone settings again - Security - More Security Settings - Encryption and Credentials - You can view the installed Charles certificate from trusted credentials and user credentials, which can prove that the certificate installation and trust are successful
2. Open the Charles proxy-Proxy Settings
- Port setting 8888
- Check Enable transparent HTTP proxying
- click ok
3. Packet capture agent operation
3.1 View PC IP
3.2 Turn on the mobile phone to set the agent
Settings-WLAN-Modify network-Proxy setting to manual-fill in the above ip and port, click OK to set successfully, then you can successfully see the successful interface of packet capture.