How to record a script via Proxy in LoadRunner?

In last article, you have learnt about how to create/open Vuser scripts in VuGen. In this article, you are going to learn about how to record a script via Proxy in LoadRunner? Recording in VuGen is quite simple; just by clicking on Record button, you can record the business flow. But what-if, if the following cases are there:

Below are the cases you might face during recording:

  1. You cannot install VuGen on your client machine due to various restrictions such as lack of admin privileges, lack of required software etc.
  2. You cannot install VuGen where the application under test is running
  3. Your application under test communicates using SSL
  4. Proxy recording of a local application where VuGen and client application on the same machine

For each case you need to follow certain methods to record in VuGen. But below is the generic understanding of how to record a script via Proxy in LoadRunner.

How to record a script via Proxy in LoadRunner?

Suppose if you are not able to install VuGen on machines which has Linux or Mac OS machines or mobile devices. VuGen allows you to record the application flow via proxy. VuGen acts as a proxy server and captures all the traffic between client and server.


Recording via proxy in LoadRunner is not available for all the protocols. Here are the few protocols which supports proxy recording: Web HTTP/HTML, Flex, and Java over HTTP, Oracle NCA, and Oracle – Web.

You must be able to provide port and address of VuGen machine on the client device which has different OS.

Both the client and proxy machine (VuGen) must be on same network.

It is advisable to delete any history/cache on the client’s machine.

If there is a multiple target machines (application under test), VuGen proxy can correctly forward the data as per Host HTTP header.

To record remote application via LoadRunner proxy, in Start Recording dialog box, you need to select Remote Application via LoadRunner proxy as shown below.

Remote Application via Proxy How to record a script via Proxy in LoadRunner?
Remote Application via Proxy

To record local application using LoadRunner proxy, make sure that the below check box is checked in Recording Options > HTTP Properties > Advanced as shown below.

LoadRunner proxy to record local application
LoadRunner proxy to record local application

If the application communicates using SSL (Secured Socket Layer), you need to import the certificate to the client machine. Download the certificate and import it.

  • Internet Explorer, select Internet Options > Content > Trusted Root Certificate Authorities > Import.
  • Firefox, select Tools > Options > Advanced > Certificates tab > View Certificates > Authorities > Import.

Did you know?

It is preferable to always delete the cache and history before recording the business flow.

In this article, you have learn how to record a script via Proxy in LoadRunner? In next article, we will see about script structure in LoadRunner.

How to record a script via Proxy in LoadRunner

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