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Capturing HTTP Headers on Mozilla Firefox

Zscaler Support may ask you to provide HTTP headers when troubleshooting certain issues. The HTTP headers identify the specific URL the browser accessed when you opened a web page. You can use Mozilla's Inspector tool to capture HTTP headers in Mozilla Firefox version 88.0.1.


Open Mozilla Firefox, load your desired website. example

on the top-right click on Application Menu > More Tools > Web Developer Tools.



press CTRL + SHIFT + i.

click on Network tab and select one of the element that loads and select Save All as HAR.