After upgrade to FireFox 30, we can no longer access internal websites. It gives us 401 - Unauthorized: Access is denied due to invalid credentials.
This is happening on our internal websites that used to prompt a window to enter your credentials. This is no longer happening.
It just immediately gives us a
401 - Unauthorized: Access is denied due to invalid credentials. You do not have permission to view this directory or page using the credentials that you supplied.
Chosen solution
hello, this might be due to the disabling of certain insecure authentication protocols in firefox 30: https://www.mozilla.org/en-US/firefox/30.0/releasenotes/#whatsnew
you can try to enter about:config into the firefox address bar (confirm the info message in case it shows up) & search for the preference named network.negotiate-auth.allow-insecure-ntlm-v1. double-click it and change its value to true.
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Chosen Solution
hello, this might be due to the disabling of certain insecure authentication protocols in firefox 30: https://www.mozilla.org/en-US/firefox/30.0/releasenotes/#whatsnew
you can try to enter about:config into the firefox address bar (confirm the info message in case it shows up) & search for the preference named network.negotiate-auth.allow-insecure-ntlm-v1. double-click it and change its value to true.