1. HTTP request [Default added - Configuration Original - the HTTP Request Defaults]
When we request interface with a project, often [IP, port number, encoding, protocol], etc. These interfaces are the same, and even some of the parameters are the same. At this time, if a huge number of interfaces, we can set the default value] [HTTP requests to be extracted these same unified set of parameter values, and you can configure these vacant, jmeter will read in the execution of the request in a single interface take] [default HTTP request parameter values.
If we set the default value with special needs, you can fill out the parameter values directly in the creation of the HTTP request page, Jmeter will give priority to the use of [] HTTP request parameters page set.
2. HTTP header [add - the original configuration - HTTP header information management]
Content header http request, unified add here. Such as content-type, cookie and other.