*Security* *NTLMv1 auth has been disabled, NTLM support on non-Windows platforms is now deprecated*
- Bug 828183 ? Firefox enables insecure NTLM (pre-NTLMv2) authentication https://bugzilla.mozilla.org/show_bug.cgi?id=828183 - Bug 999306 ? Allow generic NTLM v1 if pref set https://bugzilla.mozilla.org/show_bug.cgi?id=999306 - Bug 1023748 ? Allow NTLMv1 over SSL/TLS, or intranet access is broken on Firefox 30 for non-Windows platforms https://bugzilla.mozilla.org/show_bug.cgi?id=1023748
The support for the NT LAN Manager version 1 (NTLMv1) network authentication has been disabled because it's known as insecure. Companies and organizations still deploying the older protocol should upgrade to NTLMv2. See Honza Bambas' blog post http://www.janbambas.cz/ntlm-v1-and-firefox/ and Jason Duell's post to the dev-planning list https://groups.google.com/d/topic/mozilla.dev.planning/JbrpDmqDLXI for details. This is affecting SharePoint-based or IIS-backed intranet applications. If you encounter any problems on Firefox 30 or later, you can manually enable NTLMv1 using a preference. Note that NTLMv2 is not supported on non-Windows platforms, so OS X and Linux users have to toggle the preference to continue using NTLMv1 as below, though the NTLM auth support on non-Windows platforms is considered deprecate d. How to enable NTLMv1: type about:config in the location bar, click the "I'll be careful" button, find network.negotiate-auth.allow-insecure-ntlm-v1, double-click on it to change the value to true.
You can check to see if NTLMv2 is enabled using the following: https://www.imss.caltech.edu/node/395
On Mon, Jun 16, 2014 at 9:15 AM, Dario Lesca d.lesca@solinos.it wrote:
After last firefox update the NTLM auth do not work anymore.
I have download the previous version of FF from Fedora old repo (firefox-29.0.1-1.fc20.x86_64.rpm) and install it: NTLM auth work.
(NOTE: "yum downgrade firefox" do not work with this error)
Resolving Dependencies --> Running transaction check ---> Package firefox.x86_64 0:25.0-3.fc20 will be a downgrade --> Processing Dependency: libxul.so(xul25.0)(64bit) for package:
firefox-25.0-3.fc20.x86_64
---> Package firefox.x86_64 0:30.0-4.fc20 will be erased --> Processing Conflict: firefox-25.0-3.fc20.x86_64 conflicts
xulrunner(x86-64) > 25.1
--> Finished Dependency Resolution Error: firefox conflicts with xulrunner-30.0-1.fc20.x86_64
I have also download FF from FF web site and the problem is the same: FF30 do not work, FF 29 work.
Some suggest ?
Thanks
-- Dario Lesca (inviato dal mio Linux Fedora 20 con Gnome 3.10.4)
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