While troubleshooting certain issues, our support staff may ask for a network capture/log, in the form of a HAR-file. This is a detailed capture of requests and responses between your browser and Jira/Confluence/etc. server, enabling us to analyze what the browser is doing. 

Creating a HAR file

As a general guideline, we want the most minimal log possible, which still manages to capture the issue being investigated. This gives us fewer requests to analyze and also exposes less information about your instance. Do keep in mind that a HAR file gives us access to all request and response activity, including:

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Finally, a HAR file is just a JSON file. You can manually inspect, remove, or replace information in the file, such as passwords, provided it stays syntactically valid.  

Firefox

First, go to the Firefox settings page by putting this in your URL: about:preferences#privacy
On the Privacy page, press Clear Data and select both "Cookies and Site Data" and "Cached Web Content and press Clear and Clear Now.

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Finally, run through the actions required to reproduce the issue. When done, right-click any event in the list and select Save as HAR file:

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Chrome

Press F12 (or CTRL-SHIFT-I), or right-click within the page and select Inspect from the context menu. Then select the Network tab:

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