[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Security]

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Security\Basic]
"SecurityName"="REG_SZ:Basic Authentication"
"DLLFile"="REG_SZ:wininet.dll"
"SchemeList"="REG_SZ:Basic"
"Flags"="REG_BINARY:00,00,00,00"

[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer\Security\NTLM]
"DLLFile"="REG_SZ:winsspi.dll"
"Flags"="REG_BINARY:08,00,00,00"
"SchemeList"="REG_SZ:NTLM"
"SecurityName"="REG_SZ:NTLM SSPI Authentication"