Some additional features may not be supported with non-Windows browsers. If Kerberos is available, it will be used if it is not, NTLMv2 will be used. Safari supports both Kerberos and NTLMv2 with no additional configuration required. Normally, Kerberos or NTLMv2 authentication is required to access SharePoint at IU.
The Silverlight plug-in is required for advanced user interface controls. For limitations on Microsoft's support of SharePoint with Safari, see Planīrowser support (SharePoint Server 2010). Safari is the only browser that Microsoft officially supports for use with SharePoint on OS X clients, and offers the best experience.