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With windows IE, I never have to input my domain credentials, it's able to just pass them along. Is there a way to do this for firefox so that whenever i try to access a site within the intranet that asks for credentials, I won;t get prompted?

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1  
anyone aware of an extension that does it for you? my users might have hard time tweaking the config – webwesen Oct 12 '10 at 16:14
up vote 21 down vote accepted

Simple Answer. You can't. This is zoning facility because of IE's integration into the OS.

Correction apparantly this can be done as per this blog entry.

The setting is simple:

In the address bar in Firefox, type “about:config”
This will show all the settings for Firefox. 
In this list find this key “network.automatic-ntlm-auth.trusted-uris.” 
This is a comma-delimited list of all host names that you 
want to use NTLM with.
Just enter your host names like this: 
“host1.mydomain.com, host2.mydomain.com”
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4  
this works awesomely with intranet sites that run on sharepoint. well, except for the fact that they are usually made for ie rendering and look like poopy on firefox. – Chuck Aug 25 '09 at 20:11
    
SP2 has introduced a lot of fixed for SharePoint since it now fully supports Firefox – BinaryMisfit Aug 25 '09 at 20:15
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and if you prefer not using about:config, there's a shiny plugin for that configuration: addons.mozilla.org/en-us/firefox/addon/… – Tobias Kienzler Nov 16 '15 at 6:56

I know this is an old question, but it still comes up prominently in Search Engines, so I thought I'd add this.

A change just got released in FireFox 14. Set both of these to true in the FireFox about:config section:

  • network.automatic-ntlm-auth.allow-non-fqdn
  • network.negotiate-auth.allow-non-fqdn

You shouldn't need to add any URIs for this to work. Finally. If you're dealing with one or two hosts, it's fine, but when you have many machines... this is a saviour!

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Didn't work for me. Does this perhaps have tie-in with Windows/IE's "Zones"? – user66001 Apr 19 at 21:25

Check out the IE Tab extension. It embeds the IE engine within a Firefox tab, and is frequently used to access corporate intranet sites that are often designed for IE only.

You can configure it to only load for certain sites, so that the normal Firefox engine will be used for all others except those.

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Open firefox and enter following address: about:config

Add sites/domains that are trusted into a following params. You can add multiple items by using , as a separator.

  • network.automatic-ntlm-auth.trusted-uris
  • network.negotiate-auth.delegation-uris
  • network.negotiate-auth.trusted-uris
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Only adding domains to network.automatic-ntlm-auth.trusted-uris has worked for me for many versions back of Firefox (10.x at a guess) – user66001 Apr 19 at 21:29

Have you tried using IETab and having it activate on the sties in your domain?

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Duplicate mention of IE Tab, with the other answer providing more useful detail. – user66001 Apr 19 at 21:30
    
@user66001 The other answer was posted 2 minutes later, so it's unfair to penalise this answer which was posted first. – DavidPostill Apr 19 at 22:49
    
@DavidPostill - In the ~7 years since both answers were provided, this answer hasn't been changed to provide the same level of detail as the other answer. If SE was about who answered first gets the Kudos I would understand the perspective, but the premise of the site is to promote, or at least weed out all but the most correct answers. With all this in mind, it is still appropriate to remove the answer that provides a link to the extension and more information about the extension? – user66001 Apr 20 at 5:59
    
<shrug> I would leave it. It's not doing any harm. – DavidPostill Apr 20 at 7:41

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