Manage data integrity

How do you encrypt the <connectionStrings> section of the Web.config file?

aspnet_regiis -pd “ConnectionStrings” -app “/MachineDPAPI” -prov “RsaProtectedConfigurationProvider”
aspnet_regiis -pe “ConnectionStrings” -app “/MachineDPAPI” -prov “RsaProtectedConfigurationProvider”
aspnet_regiis -pd “Web.Config” -app “/MachineDPAPI” -prov “RsaProtectedConfigurationProvider”
aspnet_regiis -pe “Web.Config”-app “/MachineDPAPI” -prov “RsaProtectedConfigurationProvider”