Browser.identity.ssl domain display

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Firefox 3 includes extra UI to convey information about a site’s identity. When a site uses SSL to encrypt communications, the user can choose to have a portion of the site’s URL emphasized in the UI. This preference determines how much of the site’s domain to display to the left of the URL in the Location Bar. Support for this preference is removed in Firefox 15.

Possible values and their effects


Do not show domain (Default prior to Firefox 3.1b3)


Show the effective top-level domain along with the second-level domain (e.g., (Default since Firefox 3.1b3)


Show the full domain (e.g.,

First checked in

2008-01-29 by Johnathan Nightingale

Has an effect in

  • Firefox (nightly builds since 2008-01-29)

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