Shulou(Shulou.com)06/03 Report--

For the installation files, please see the network disk.

0: basic knowledge:

Fiddler is a tool for http to grab and change bags.

Compared with wireshark, it is lighter and easier to use.

You can only grab http and https packets, so you are more professional in crawling http and https.

Set breakpoints and modify request data

Set breakpoints and modify response data

1. Basic operations:

Remove All Sessions

two。 Basic configuration is required to catch the packet:

Tools---Fiddler Options---Connections, check Allow remote computers to connect, save.

Then, open an IE browser and enter the URL of Sina or Sohu to see if you can catch the bag.

Note: if you use an IE browser, you can catch the package without any configuration by default. Other browsers may not catch it, and you may need to configure an agent.

3. Filter

On the right, Filters---Use Filters----Request Headers, check Show only if URL contains, for example, enter sohu.com

Then remove all sessions, refresh the IE browser page, and you can see that only the sohu.com address is displayed.

4. The solution of garbled code

If there is garbled code in the response part, the top of the response area will display: Response body is encoded. Click to decode. Click to see the garbled resolution le of the response.

5. Crawl https request

The configuration is as follows. During the configuration process, two dialogs will appear. Click YES. After configuration, you must restart Fiddler before you can crawl https. You can grab https://www.baidu.com experiments.

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