[jcifs] Re: JCIFS Authentication Problem with Second User (Thomas Bley)

Agustin Rodriguez agrodrig at gmail.com
Thu Jul 12 21:32:10 GMT 2007


I ran into this problem as well and the way I was able to correct it is to
set up the timeout property to 500ms

<init-param>
      <param-name>jcifs.smb.client.soTimeout</param-name>
      <param-value>500</param-value>
</init-param>



On 7/11/07, jcifs-request at lists.samba.org <jcifs-request at lists.samba.org>
wrote:
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>   1. Re: JCIFS Authentication Problem with Second User (Thomas Bley)
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> ----------------------------------------------------------------------
>
> Message: 1
> Date: Thu, 12 Jul 2007 01:01:15 +0200
> From: Thomas Bley <thomas.bley at simple-groupware.de>
> Subject: Re: [jcifs] JCIFS Authentication Problem with Second User
> To: "Stover, Beth" <BStover at NorcalMutual.com>
> Cc: jcifs at lists.samba.org
> Message-ID: <4695613B.3080002 at simple-groupware.de>
> Content-Type: text/plain; charset="iso-8859-1"
>
> Hello Beth,
>
> have you tried to disable "signing" on the Win2k3 R2 server ?
> If not, can you try (see screenshot):
> - Microsoft network server: Digitally sign communications (always): set
> it to Disabled
> - Microsoft network server: Digitally sign communications (if client
> agrees): set it to Disabled
> and restart the server.
>
> bye
> Thomas
>
>
> Stover, Beth wrote:
> >
> > I'm hoping to get some help with an authentication issue with tomcat,
> > NTLM and IIS.  My apologies for the long post.
> > We purchased a 3rd party application that runs an embedded Tomcat
> > server. Tomcat runs a web application for reporting. It uses JCIFS as
> > a connection mechanism. The application writes and
> > reads to a SQL Server 2005 database. Security is controlled through
> > Active Directory.
> > IIS 6.0 is the web server with an application pool configured. Somehow
> the
> > application pool and tomcat work together. I'm still not clear on that
> > part.
> > The OS is Windows 2003 R2 SP1. IIS is configured with Windows Integrated
> > authentication. Tomcat is configured to use the NTLM HTTP
> > authentication to our Domain as well.
> > Users are domain users and have all the necessary permission to access
> > resources -- SQL, website, app pool, etc.
> > Using jcifs-1.2.0.jar library.  I tried replacing it with the newest
> > one, jcifs-1.2.14.jar, and that didn't help.
> > The problem:
> > A user can access the reporting website using the URL
> > _http://servername:portnumber_.
> > The user is automatically authenticated and can get to everything she
> > needs.
> > HOWEVER, if a 2nd user attempts to log in to the reporting
> > website, the user is prompted for a username and password, but the
> > credentials do not work. This same user could log on later when the
> > first user logs off. Sometimes it all works fine. Other times, this
> > problem happens.
> > When the problem occurs, the login prompt window has this title:
> > *"connect to JCIFS1_148_60 in <My Domain Name>"*
> > This leads me to believe the problem has to do with the Tomcat
> > configuration -- maybe a problem with session limits?
> > We've repeated this with both IE and Firefox.  We've adjusted the
> > security zone settings in IE, and that doesn't help.  I've also tried
> > quite a few changes in the web.xml file based on the API index
> > information I got here:
> >
> > _http://jcifs.samba.org/src/docs/api/index.html_
> > Here's an excerpt from my web.xml:
> >
> > *    <filter>*
> > *        <filter-name>NTLM HTTP Authentication Filter</filter-name>*
> > *        <filter-class>jcifs.http.NtlmHttpFilter</filter-class>*
> > *        <!--init-param>*
> > *            <param-name>jcifs.http.domainController</param-name>*
> > *            <param-value>10.10.10.10</param-value>*
> > *        </init-param-->*
> > *        <init-param>*
> > *            <param-name>jcifs.netbios.lookupRespLimit</param-name>*
> > *            <param-value>1</param-value>*
> > *        </init-param>*
> > *        <init-param>*
> > *            <param-name>jcifs.util.loglevel</param-name>*
> > *            <param-value>4</param-value>*
> > *        </init-param>*
> > *        <init-param>*
> > *            <param-name>jcifs.encoding</param-name>*
> > *            <param-value>cp1252</param-value>*
> > *        </init-param>*
> > *          <init-param>*
> > *            <param-name>jcifs.smb.client.domain</param-name>*
> > *            <param-value>mydomain</param-value>*
> > *        </init-param>*
> > *                <!-- optional parameters, uncomment as required -->*
> > *                <!-- if WINS is used, this parameter should be used
> > instead of the jcfis.http.domainController parameter above -->*
> >
> > *                <init-param>*
> > *            <param-name>jcifs.netbios.wins</param-name>*
> > *            <param-value>10.10.10.11</param-value>*
> > *        </init-param> *
> > *                <!-- try the following with value 1 through to 3 if
> > you are getting the JCIFS authentication dialog box popping up when
> > you try to access Reporter -->*
> >
> > *                <init-param>*
> > *            <param-name>jcifs.smb.lmCompatibility</param-name>*
> > *            <param-value>0</param-value>*
> > *        </init-param> *
> > *                <!-- as an extreme last ditch effort, try to
> > authenticate by a shared folder on the server, if you are installing
> > on the same server as Hydra Manager you can try the Hydra folder -->*
> >
> > *                <!-- <init-param>*
> > *            <param-name>jcifs.smb.client.logonShare</param-name>*
> > *            <param-value>*name of shared directory*</param-value>*
> > *        </init-param> -->*
> >
> > I see this in the stdout.log:
> >
> > *NtlmHttpFilter: domainname\username: 0xC0000022:
> > jcifs.smb.SmbAuthException: Access is denied.*
> > *java.net.SocketException: Connection reset*
> > *        at java.net.SocketInputStream.read(Unknown Source)*
> > *        at jcifs.util.transport.Transport.readn(Transport.java:29)*
> > *        at jcifs.smb.SmbTransport.peekKey(SmbTransport.java:317)*
> > *        at jcifs.util.transport.Transport.loop(Transport.java:89)*
> > *        at jcifs.util.transport.Transport.run(Transport.java:229)*
> > *        at java.lang.Thread.run(Unknown Source)*
> > *New data read: Transport1[domainname<1C>/10.1.1.104:0]*
> > *00000: FF 53 4D 42 72 00 00 00 00 98 03 C0 00 00 00 00
> > |ÿSMBr......À....|*
> > *00010: 00 00 00 00 00 00 00 00 00 00 27 04 00 00 0A 00
> > |..........'.....|*
> >
> > *byteCount=42 but readBytesWireFormat returned 20*
> > *Default credentials (jcifs.smb.client.username/password) not
> > specified. SMB signing may not work properly.  Skipping DC
> interrogation.*
> >
> > *treeConnect: unc=\\domainname$,service=?????*
> > *sessionSetup: accountName=username,primaryDomain=doaminname*
> > *New data read: Transport1[domainname<1C>/10.1.1.104:0]*
> > *00000: FF 53 4D 42 73 00 00 00 00 98 07 C0 00 00 9D 76
> > |ÿSMBs......À...v|*
> > *00010: AE 42 14 A0 37 2B 00 00 07 B0 27 04 03 E0 0B 00
> > |(r)B. 7+...°'..à..|*
> >
> > "Access is denied" message would seem to point to incorrect
> > credentials, but I know the credentials are correct because the user
> > can log in when no other users are logged in.  The problem only occurs
> > when multiple users try to connect to the web application.
> >
> > I also tried setting up 'preauthentication' using the appropriate
> > entries in the web.xml, but that didn't work either.  I tried changing
> > web.xml so that multiple domain controllers are used.  I tried editing
> > so that wins is not used.
> >
> > I did a packet capture on the failed session, and I see this repeat
> > over and over:
> > *HTTP/1.1 401 Unauthorized WWW-Authenticate: NTLM Content-Length: 0
> > Date: Wed, 11 Jul 2007 21:38:46 GMT Server: Apache-Coyote/1.1*
> >
> > Any ideas? Any help would be very appreciated
> >
> >
> > *Beth*
> >
> >
>
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