A) Windows Authentication
B) Form Authentication
C) Single-Sign on Authentication
Access the SharePoint2007 Web Service in Windows Authentication:
To access the SharePoint 2007 Web Services in the Windows authentication required the domain User Account. That is, The SharePoint installable in Windows Server 2002 platform. In that system a User Account need to Configured, this User Account Role either Like User or Guest but the credential must be Enable to access the web Service via Browser.
