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OS X Lion: NTLMv2 Authentication appears to be broken in Firefox 5.0.1

  • 2 replies
  • 45 have this problem
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  • Last reply by hqasem

hqasem
hqasem
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I just upgraded to OS X Lion, and when I went to work, I noticed that Firefox 5.0.1 stopped connecting to the Internet.

It refused to connect me through the corporate proxy (MS ISA + NTLMv2 Auth). After repeated attempt, it would sporadically connect me to http sites but NEVER https sites.

If you need further information, please let me know.

-hq

I just upgraded to OS X Lion, and when I went to work, I noticed that Firefox 5.0.1 stopped connecting to the Internet. It refused to connect me through the corporate proxy (MS ISA + NTLMv2 Auth). After repeated attempt, it would sporadically connect me to http sites but NEVER https sites. If you need further information, please let me know. -hq

Chosen solution

I got this to work.

using about:config

Changed networ.negotiate-auth.allow-proxies from TRUE to FALSE.

http://kb.globalscape.com/KnowledgebaseArticle10522.aspx

Read this answer in context 👍 6

All Replies (2)

drewmaness
drewmaness
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Chosen Solution

I got this to work.

using about:config

Changed networ.negotiate-auth.allow-proxies from TRUE to FALSE.

http://kb.globalscape.com/KnowledgebaseArticle10522.aspx

hqasem
hqasem Question owner
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Thanks drewmaness.

Confirmed. It works now after setting network.negotiate-auth.allow-proxies to False.

-hq