The server times out too fast.
I can't connect to the internet and open training portal. Firefox times out with 504 error message. I can't complete required training.
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Web search: https://www.bing.com/search?q=504+error+message
There is a change in Firefox 96 related to cookies and insecure sites.
See also:
- /questions/1363998 blocked 3rd party cookies
As a workaround for now you can modify this pref on the about:config page to revert this change.
- about:config => network.cookie.sameSite.laxByDefault = false
You can open the about:config page via the location/address bar. You can accept the warning and click "I accept the risk!" to continue.