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iPhone packet grabbing: re-parsing the network traffic of iPhone App - a simple and How to understand re-export regulationseasy-to-understand package grabbing tutorial. In today's Internet society, we use various mobile phone apps to facilitate our life and work, but the network data interaction behind each app is complex and invisible. Of. In order to better understand and optimize the network requests of the App, we need to use the packet grabbing tool to analyze the network traffic. This article will introduce how to use iPhone capture packets to re-parse the network traffic of iPhone App to help you better understand the network data interaction and performance of the App. Step 1: Preparation work Before starting to grab the bag, we need to do some preparations. First of all, we need to connect the iPhone to a computer in the same Wi-Fi network in order to better analyze the network data during the packet capture process.Secondly, we need to download and install a package grabbing tool that supports iPhone, such as Charles or Fiddler. Let's take Charles as an example here, because Charles is a widely used popular tool with the ability to crawl HTTP and HTTPS traffic, while it is easy to use and quick to use. Step 2: Configure the Wi-Fi agent to open the iPhone's settings application, select Wi-Fi, and select the current Wi-Fi network. Then click the "Wi-Fi Settings" button, slide the screen, find the HTTP proxy option and select "Manual". Enter the IP address of the computer in the server field, and enter the port number used by the packet grabbing tool in the port field.If you choose Charles, the default port number is 8888. After finishing, we can start grabbing the bag. Step 3: Start grabbing the package. Now, we open the app we want to analyze and start the operation. At the same time, open the Charles software and click the "Record" button to start capturing all the network traffic passing through the iPhone. At this time, Charles will pop up a warning that we need to click "Allow" to allow Charles to monitor the network connection. Step 4: Analyze network traffic. When we complete the operation, we can stop recording and start analyzing the network requests of the iPhone. In the Charles software, we can see all the details of requests and responses, including HTTP headers, request bodies and response bodies.We can also view the details of each request and simulate the response when necessary. For example, we can change or redirect the request in Charles in order to analyze the response in specific situations. When using the Charles tool, we can also use some additional functions to analyze and optimize network requests. For example, we can use the "Repeat" function to replay network requests in order to test their performance under different network conditions. We can also use the "Map Remote" function to map specific URLs to local files or other servers to simulate the test environment or offline data mode. In summary, by using the iPhone package grabbing tool, we can better understand the network data interaction behind the iPhone App and carry out targeted performance optimization.This article introduces the basic process of using the Charles tool to re-parse the network traffic of the iPhone App, as well as some additional functions and skills to help you better analyze and optimize network requests. I hope this simple and easy-to-understand bag-catching tutorial can help you better master the iPhone bag-catching skills.

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