Use Fiddler to capture apps

Preface

fiddler It is a packet capturing tool in the form of agent , The default proxy port is 8888, The following explains how to crawl the mobile phone through the agent app Data packets of .

One 、fiddler Set up

To grab the phone app Data packets of , Right fiddler Set it up , open fiddler after , choice "Tools" term , Click on "Options", Enter the setting interface .

stay "Options" Interface , choice "Connections" term , Check "Allow remote computers to connect" Check... Or not , If not, check this item . in addition , You need to remember the listening port here 8888, Then click "OK" Button to save the configuration

Two 、 Phone settings

1. Before configuring mobile agent settings , Need to know the computer IP Address , Can pass cmd Input in "ipconfig" see .
   
2. Enter the wlan Configuration interface , Click on the connected wlan, Enter the wlan Setting interface of .
   
3. stay wlan The setting interface finds " Agent settings " term , Click to enter the agent setting interface .
   
4. Put the computer's ip Enter the address in the server bar , Fill in the port number fiddler Listening port 8888, Then save .
   

Two 、 Grab the bag

1. Because the data packet captured at this time includes all data packets of computer and mobile phone , Not easy to view and analyze , So you need to fiddler Filter the captured packets , Enter into "Tools"—>Options——>https term , choice "…from remote clients only", In this way, only the data packets on the caught mobile phone are displayed .
   
2. Run APP, Then observe fiddler, You can find that you have grabbed and run the APP Response packet
   
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