These are chat archives for IndySockets/Indy
IdAuthentication.pas, there is no
IdAuthenticationBasic.pasunit (maybe there should have been one, but it was not written that way). No,
IdAuthenticationManager.pasdoes not implement any authentications, it is a container used by
TIdHTTPto remember attempted authentications across multiple TCP connections.
IdAuthenticationSSPI.pasimplements NTLM and Negotiate authentications using Microsoft's SSPI API, which is different than
IdAuthenticationNTLM.pas, which implements NTLM authentication manually from scratch without any OS dependencies.