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Intranet site no longer works with Mozilla Firefox

  • 8 odgovori
  • 1 ima ovaj problem
  • 57 views
  • Posljednji odgovor poslao msmorris1

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We have an intranet site behind an Active Directory Federation Services (AD FS) - after updating the SSL certificate, the website will no longer allow Firefox clients to log in.

They will be prompted to sign in (with a default sign in prompt, not even the website login prompt), even if you enter the correct user/password it will continue to prompt you. The new cert works with Edge, Safari, and Chrome - I've enabled the following settings in about:Config network.automatic-ntlm-auth.trusted-uris, network.negotiate-auth.delegation-uris, network.negotiate-auth.trusted-uris, and set signon.autologin.proxy to be true - but the issue still persists.

Has anyone seen this/been able to figure this out? I've seen a few other posts, but no resolutions. Does Firefox not support Certificate Signature Algorithm SHA-384 With RSA Encryption? This is the only difference I can see between the 2 certificates; the original is SHA-256 With RSA Encryption.

Thank you!

We have an intranet site behind an Active Directory Federation Services (AD FS) - after updating the SSL certificate, the website will no longer allow Firefox clients to log in. They will be prompted to sign in (with a default sign in prompt, not even the website login prompt), even if you enter the correct user/password it will continue to prompt you. The new cert works with Edge, Safari, and Chrome - I've enabled the following settings in about:Config network.automatic-ntlm-auth.trusted-uris, network.negotiate-auth.delegation-uris, network.negotiate-auth.trusted-uris, and set signon.autologin.proxy to be true - but the issue still persists. Has anyone seen this/been able to figure this out? I've seen a few other posts, but no resolutions. Does Firefox not support Certificate Signature Algorithm SHA-384 With RSA Encryption? This is the only difference I can see between the 2 certificates; the original is SHA-256 With RSA Encryption. Thank you!

All Replies (8)

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Is it basic authentication prompt, as on attached screenshot?

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You can open the about:config page and filter for sha384 to see which cipher suites are supported.

Helpful?

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@TyDraniu - Yes, that is the authentication prompt we are seeing, but only when using Windows Authentication - other types of authentication seem to work fine with Firefox.

@cor-el - Thank you, it looks like all the settings in about:config with sha384 are set to "true".

Helpful?

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This is not about prefs being true, but about the cipher suites supported by Firefox. If you website server only supports cipher suites that Firefox doesn't support then there is a problem.

You can check your browser.

You can check the server.

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@cor-el - Thank you for your notes on that, if Firefox in general wasn't working with the new certificate I would think this applies to my situation. But it seems to only be causing issues when using Windows authentication methods. Thank you for answering though!

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You have entered the site's host name in the value for the various "trusted-uris" preferences? As an example of the format, imagine 3 servers:

network.automatic-ntlm-auth.trusted-uris => intranet,accounting.company.local,10.10.50.50

Helpful?

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@jscher2000 - Thank you for your response! Yes, I have all .domain.local and added the IP address as well just to make sure and it is still generating a generic authentication box with failed logon events on the AD FS server.

Helpful?

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@pauliexnay good day. We are seeing the same behavior after updating to a SHA384 Certificate. In testing setting ExtendedProtectionTokenCheck to NO instead of Allow on the ADFS server leads to login working with Windows Firefox. Of course, that is not a recommended setting for a Production ADFS implementation.

Returning to a SHA256 certificate resolves the issue. And it only affects Windows Firefox client.

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