Add support for Microsoft Active Directory in LDAP authentication #346
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The current schema / format of the
dn
that works with OpenLDAP servers does not always work when trying to use an Active Directory domain controller as an LDAP authentication server.In testing it seems more reliable to authentication using a username of
DOMAIN\\username
rather than trying to guess what thedn
is being used at a given site. The problem is that the username is not always part of thedn
for AD, but using the username and domain name always seems to work.I've tested the code in this PR at BNL using the onsite Active Directory Domain Controllers (and also using a DUO MFA proxy server). I have not tested against Azure AD.