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From "Colin (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HTTPCLIENT-1662) NTLM auth failed because NTLMEngineImpl strip domain to base domain name
Date Wed, 24 Jun 2015 02:07:43 GMT
Colin created HTTPCLIENT-1662:

             Summary: NTLM auth failed because NTLMEngineImpl strip domain to base domain
                 Key: HTTPCLIENT-1662
                 URL: https://issues.apache.org/jira/browse/HTTPCLIENT-1662
             Project: HttpComponents HttpClient
          Issue Type: Bug
          Components: HttpAuth
    Affects Versions: 4.5
         Environment: HttpClient 4.3, 4.5
A http site with NTLM auth
A domain which Netbios name is not match domain name(e.g. domain=mydomain.com; netbios name=
            Reporter: Colin

When generate type 3 message, we change the domain name to base domain name:
            // Use only the base domain name!
            final String unqualifiedDomain = convertDomain(domain);
    /** Strip dot suffix from a name */
    private static String stripDotSuffix(final String value) {
        if (value == null) {
            return null;
        final int index = value.indexOf(".");
        if (index != -1) {
            return value.substring(0, index);
        return value;

    /** Convert domain to standard form */
    private static String convertDomain(final String domain) {
        return stripDotSuffix(domain);

I got http 401 in my environment with correct credential and found the root cause is those
code got wrong domain name so the domain controller return a NTLM sub status code 0xC0000064,
which means " The username you typed does not exist!"

If we don't change the domain name to standard name, is there any other issue? 
Or we can add a option to let user select full domain name or standard domain name?

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