Internet Direct (Indy) Version 9.0.2 Beta
TIdNTLMAuthentication
Implements the NTLM Authentication Scheme for HTTP.

TIdNTLMAuthentication = class(TIdAuthentication)
Description
TIdNTLMAuthentication is a TIdAuthentication that implements the NTLM Authentication Scheme for HTTP. The NTLM Authentication Scheme is not as secure as Digest and some other schemes, but it is slightly better than the Basic authentication scheme. The NTLM CHallenge/Response scheme is describned at:

Note: NTLM Authentication is not an http authentication scheme; it is a connection authentication scheme which happens to (mis-)use http status codes and headers (and even those incorrectly).