Microsoft Office SharePoint Server 2007 for Internet sites and Microsoft Office SharePoint Server 2007 have identical feature functionality. While the feature functionality is similar, the usage rights are different.

If you are creating an Internet, or Extranet, facing website, it is recommended that you use Microsoft Office SharePoint Server 2007 for Internet sites which does not require the purchase client access licenses. Websites hosted using an “Internet sites” edition can only be used for Internet facing websites and all content, information, and applications must be accessible to non-employees. Websites hosted using an “Internet sites” edition cannot be accessed by employees creating, sharing, or collaborating on content which is solely for internal use only, such as an Intranet Portal scenario. See the previous section on licensing for more information on the usage scenarios.