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After upgrade to version 20 of Firefox websites do not display anymore. Seems like v20 does not work well with ISA

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  • Last reply by jveldhui

jveldhui
jveldhui
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After upgrade to version 20, we receive the following error when trying to open a website: Error Code: 502 Proxy Error. The ISA Server denied the specified Uniform Resource Locator (URL). (12202)

Everything worked fine in the previous version of Firefox.

After upgrade to version 20, we receive the following error when trying to open a website: Error Code: 502 Proxy Error. The ISA Server denied the specified Uniform Resource Locator (URL). (12202) Everything worked fine in the previous version of Firefox.

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jveldhui
jveldhui Question owner
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Found the fix for this: Just set the following values to false in about:config.

network.automatic-ntlm-auth.allow-proxies network.negotiate-auth.allow-proxies