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3. Search and double click network.negotiate-auth.delegation-uris.
4. Type https://localhost:9291. Click OK .
5. Search network.automatic-ntlm-auth.trusted-uris , double-click it and type the same value as before: https://localhost:9291. Click OK .
6. Close all instances of the Firefox browser to make the changes effective. Launch the browser again and access the application.
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