After the configuration page loads, enter the following in the Search field:.Note: Firefox3.x and later displays a warning message requesting that you proceed with caution. In the Firefox address bar, enter about:config.To resolve this issue, deploy IWA in HTTPS mode. The following configuration permits Firefox to properly pass the Kerberos ticket with IWA, but Firefox still warns the user about the transition from an HTTPS page to an HTTP page. For how to add your Macintosh OS/X host to a Windows domain, see the article OS X Mountain Lion: Join your Mac to a network account server. IWA is enabled automatically in Safari on OS/X. Make sure that the OS/X host is a Windows domain member. Although IWA SSO may work if you choose not to configure your browser, Okta recommends that you review the relevant information for your browser type and then configure your browser.