http-auth-enable--constants.md

title	description	ms.assetid	topic_type	api_name	api_location	api_type	ms.topic	ms.date
HTTP_AUTH_ENABLE_ Constants (Http.h)	Define authentication schemes that can be enabled on a URL Group.	db22645f-c9e4-427e-b3d5-91d568aec7c5	apiref	HTTP_AUTH_ENABLE_BASIC HTTP_AUTH_ENABLE_DIGEST HTTP_AUTH_ENABLE_KERBEROS HTTP_AUTH_EX_FLAG_ENABLE_KERBEROS_CREDENTIAL_CACHING HTTP_AUTH_EX_FLAG_CAPTURE_CREDENTIAL HTTP_AUTH_ENABLE_NTLM HTTP_AUTH_ENABLE_NEGOTIATE HTTP_AUTH_ENABLE_ALL	http.h	HeaderDef	reference	05/31/2018

HTTP_AUTH_ENABLE_ Constants

The HTTP_AUTH_ENABLE constants define authentication schemes that can be enabled on a URL Group.

These constants are used in the HTTP_SERVER_AUTHENTICATION_INFO structure.

HTTP_AUTH_ENABLE_BASIC

The Basic authentication scheme is enabled.

HTTP_AUTH_ENABLE_DIGEST

The Digest authentication scheme is enabled.

HTTP_AUTH_ENABLE_KERBEROS

The Kerberos authentication scheme is enabled.

HTTP_AUTH_EX_FLAG_ENABLE_KERBEROS_CREDENTIAL_CACHING

Kerberos credential caching is enabled.

Windows Server 2003 and before: Not available.

HTTP_AUTH_EX_FLAG_CAPTURE_CREDENTIAL

The HTTP Server API captures the caller identity and uses it for authentication for Negotiate and Kerberos schemes only.

Windows Server 2003 and before: Not available.

HTTP_AUTH_ENABLE_NTLM

The NTLM authentication scheme is enabled.

HTTP_AUTH_ENABLE_NEGOTIATE

The Negotiate authentication scheme is enabled.

HTTP_AUTH_ENABLE_ALL

All authentication schemes are enabled.

Requirements

Requirement	Value
Minimum supported client	Windows Vista [desktop apps only]
Minimum supported server	Windows Server 2008 [desktop apps only]
Header	Http.h

See also

HTTP Server API Version 2.0 Constants

HTTP_SERVER_AUTHENTICATION_INFO

HttpSetUrlGroupProperty

HttpSetServerSessionProperty

HttpQueryUrlGroupProperty

HttpQueryServerSessionProperty