What is a HAR file?


What is a HAR file?

  • How is a HAR file useful for troubleshooting issues?
  • What is the purpose of a HAR file?



  • DDoS Proxy
  • WAF



HTTP Archive format (HAR) is a JSON-formatted archive file format that helps log the interaction of a web browser with a site

  • Can be exported by the most commonly used web browsers (Chrome, Firefox, Internet Explorer, Safari)
  • Provides detailed performance data about web pages it loads
  • Used by the SOC to obtain detailed information about the requests from the browser -- see How to Generate HAR Files


HAR files can contain sensitive data, including content of the pages downloaded and/or cookies while recording the HAR file. 


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