Ooops...I did not fully read the first message. Sorry.
The interesting thing is that when using the browser to hit that
server it does not give me a form based login screen like other
exchange servers. It pops up a window..very much like you see when
you set up a .htaccess with BASIC auth. Hmmm....any libs out there
that support NTLM?
On Jan 11, 2008, at 9:27 AM, Oleg Kalnichevski wrote:
On Fri, 2008-01-11 at 09:24 -0500, Michael Prichard wrote:
What does this mean? Does it mean the username and password are
being sent on an open wire?
That is exactly what I was trying to tell you in my previous post.
Oleg
On Jan 11, 2008, at 9:12 AM, Oleg Kalnichevski wrote:
On Fri, 2008-01-11 at 09:06 -0500, Michael Prichard wrote:
Yes, I got this to work by adding this:
// Sets whether authentication should be attempted preemptively.
client.getParams().setAuthenticationPreemptive( true );
When authenticating preemptively you ARE NOT using NTLM. (I guess
it's
fine as long as you are aware of this fact and its security
implications)
Oleg
Thanks!
On Jan 11, 2008, at 7:08 AM, Oleg Kalnichevski wrote:
On Thu, 2008-01-10 at 16:06 -0500, Michael Prichard wrote:
Ok....figured this one out. Add this:
// Sets whether authentication should be attempted
preemptively.
client.getParams().setAuthenticationPreemptive( true );
And it seems to work perfectly. No idea why! Anyone?
This is because BASIC authentication (read: username/password
sent in
clear text) is used to authenticate preemptively, not NTLM.
Apparently the credentials are OK, since you are able to
authenticate
using BASIC. So, most likely the server has been configured to use
NTLMv2 only, whereas HttpClient supports NTLMv1 only.
For details see
http://wiki.apache.org/jakarta-httpclient/
FrequentlyAskedNTLMQuestions
Oleg
Thx.
On Jan 10, 2008, at 3:22 PM, Michael Prichard wrote:
Hello All,
I am trying to authenticate to MS Exchange as follows:
HttpClient client = new HttpClient();
NTCredentials creds = new NTCredentials(_username, _password,
"localhost", _domain);
// set credentials for connection
client.getState().setCredentials(new AuthScope
(_exchangeServer,
AuthScope.ANY_PORT, AuthScope.ANY_REALM), creds);
GetMethod get = new GetMethod(prootPath);
get.setDoAuthentication(true);
status = client.executeMethod(get);
When I hit the server I get this back:
Jan 10, 2008 3:10:54 PM
org.apache.commons.httpclient.auth.AuthChallengeProcessor
selectAuthScheme
INFO: ntlm authentication scheme selected
Jan 10, 2008 3:10:54 PM
org.apache.commons.httpclient.HttpMethodDirector
processWWWAuthChallenge
INFO: Failure authenticating with NTLM <any
realm>@mail.exchangeserver.com:443
I had it working with my internal test server but now when
trying
to connect to other servers I am getting Auth issues. Ideas?
Thanks!
Michael
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