How to record test cases of a web application, if you are testing behind a firewall/proxy server

Suppose, you are to test the performance of a web application which is accessible via a proxy server.And you are doing to via the recording template in JMeter.

Start JMeter in the following way.

-Open your PC’s command prompt.

-Go to the bin folder JMeter bin.

-Type jmeter.bat -H <url/ip of the web app> -P <port of the app> (ex: jmeter.bat -H 10.1.120.26 -P 4562)

-Enter.

Now the JMeter will open and select recording template and proceed with the recording as the usual way.