http_version — Define the HTTP version to use
http_version = "1.1"
**Configuration Change. ** This option is available as of version 3.5.6.
Define which version of HTTP to use when
delivery_method is set to an HTTP protocol. This option may be set to any one of the following values:
The default value for this option is
http_version is valid in the global, binding_group, binding and domain scopes.