Configure Browser for SPNEGO

Configure Browser for SPNEGO

   KB 21706        Last updated on 07/11/2015  

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Configure Browser for SPNEGO

Before configure the Browser for SPNEGO, you need to configure some settings to control the workflow in case that the Web Browser is not properly configured, read the next Wiki section about it - Detailed configuration for zimbraSpnegoAuthErrorURL

How to configure it on Windows

Mozilla Firefox

  • Browse to about:config and agree to the warnings
  • Search through to find the "network" settings (in the Filter, type "network.n")
  • Enter a comma-delimited list of trusted domains or URLs for network.negotiate-auth.delegation-uris and network.negotiate-auth.trusted-uris.


set network.negotiate-auth.delegation-uris to http://,https://
set network.negotiate-auth.trusted-uris to http://,https://


set network.negotiate-auth.delegation-uris to,
set network.negotiate-auth.trusted-uris to,



  • Tools -> Options -> Security -> Local Intranet -> Sites

make sure everything is checked here


  • Tools -> Options -> Security -> Local Intranet -> Sites -> Advanced

add url to server (http:// and/or https://) making sure to use the hostname


  • Tools -> Options -> Security -> Local Intranet -> Sites -> Advanced -> Close
  • Tools -> Options -> Security -> Local Intranet -> Sites -> Ok
  • Tools -> Options -> Advanced -> Security (in the checkbox list)

locate and check 'Enable Integrated Windows Authentication'


  • Tools -> Options -> Advanced -> Security -> Ok
  • Close IE

How to configure it on Mac OS


  • Does not need any configuration.
Verified Against: Zimbra Collaboration Suite 8.6, 8.5 Date Created: 04/14/2015
Article ID: Date Modified: 07/11/2015

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