Fiddler break point

Catalog

 

1.Fiddler The following requests can be modified

2. Two ways of breaking points

2.1 before response

2.2 after response

3. Global breakpoints and individual breakpoints

3.1 Global breakpoint

3.2 Single breakpoint

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1.Fiddler The following requests can be modified

• Fiddler To set breakpoints , You can modify HTTP Request header information , Such as modification Cookie,User-Agent etc.
• Request data can be modified , Break the form limit , Submit any number , If the recharge is maximum 100, Can be modified to 10000
• Intercept response data , Modify the response body , Such as modifying the page data returned by the server

2. Two ways of breaking points

2.1 before response

This one is on request On request , Before reaching the server

2.2 after response

That is, after the server responds , stay Fiddler Before passing the response back to the client .

3. Global breakpoints and individual breakpoints

3.1 Global breakpoint

Under settings , Click on rules-> automatic breakpoint  ->before requests, It interrupts fiddler All requests captured

With  before requests For example

1. Choose before requests Options

2. Open blog Garden Homepage ：http://www.cnblogs.com/yoyoketang/, See the following T The logo of , The breakpoint is successful

3. After the breakpoint , You'll find that all the requests can't be sent , Now , Click down Go Button , You can take the next step

4. After finding the request that needs to be modified , Select the session , Right open WebFroms, At this time, all the parameters can be modified

5. After the modification, click Run to Completion You can submit , So I successfully modified the request parameters

6. If you make a global breakpoint , Can't get on the Internet normally , Breakpoints need to be cleared ：rules-> automatic breakpoint  ->disabled

3.2 Single breakpoint

You already know the request address of an interface , At this time, you only need to interrupt debugging for this request , Just type the command on the command line
Breakpoint before request （before response)： bpu

1. Forum login interface ：https://passport.cnblogs.com/user/signin

2. Command line input ：bpu https://passport.cnblogs.com/user/signin enter

3. When requesting a login interface , It will only block the login interface , At this time, you can modify any request parameter

4. Cancel breakpoint , Enter at the command line ： bpu  Just go back to the bus

Breakpoint after response （after  requests）： bpafter

1. Forum login interface ：https://passport.cnblogs.com/user/signin

2. Enter at the command line ：bpafter https://passport.cnblogs.com/user/signin   enter

3. Log in blog garden , You will find that the data returned by the server after login has been blocked , At this time, you can modify any returned data

4. Cancel breakpoint , Enter at the command line ： bpafter  Just go back to the bus