[jcifs] security policy requires NTLMv2

John.Baker at barclayscapital.com John.Baker at barclayscapital.com
Sat Jan 31 09:07:53 GMT 2009


Mike,

I see, so you're basically moving the NTLM Filter development to a
commercial product!  And hence, ioplex is basically another QSJ SSO
product.


John 

> -----Original Message-----
> From: 
> jcifs-bounces+john.baker=barclayscapital.com at lists.samba.org 
> [mailto:jcifs-bounces+john.baker=barclayscapital.com at lists.sam
> ba.org] On Behalf Of Michael B Allen
> Sent: 30 January 2009 19:04
> To: pardesh
> Cc: jcifs at lists.samba.org
> Subject: Re: [jcifs] security policy requires NTLMv2
> 
> On Fri, Jan 30, 2009 at 10:57 AM, pardesh 
> <pardesh_dsp at yahoo.com> wrote:
> > Hi,
> >
> > We have an existing java application using jcifs 1.2.9 for windows 
> > based authentication single signon. right now our company security 
> > policies are changed and security policy requires NTLMv2. 
> After doing 
> > a little search on this forum found that it wont support ntlmv2.
> >
> > we are looking for an alternative implementation(quicker) 
> which will 
> > support ntlmv2.
> 
> Hi Pardesh,
> 
> You are correct, the JCIFS NTLM HTTP Servlet Filter cannot 
> support NTLMv2, is obsolete and will be removed from JCIFS as 
> described in this post:
> 
>   http://lists.samba.org/archive/jcifs/2008-October/008227.html
> 
> What you are looking for is called "Jespa" from IOPLEX Software:
> 
>   http://www.ioplex.com/jespa.html
> 
> Jespa is a complete implementation of the Windows NTLM 
> Security Service Provider in 100% Java. By "complete" I mean 
> if Windows can do it, Jespa can do it, as in both the 
> initiator and acceptor, NTLMv2, session security and so on. 
> As described in the post from October cited above, the only 
> way to properly validate NTLM responses (like those submitted 
> by IE and other browsers) is to use the NetrLogonSamLogon 
> DCERPC call with the NETLOGON service over SecureChannel. 
> Jespa does precisely that (and a lot more). Jespa also 
> includes a standard Servlet Filter and source code for doing 
> HTTP SSO without using a Filter.
> 
> If you have any questions regarding Jespa, please contact 
> IOPLEX Software support. Aside from this sort of "you're 
> looking for Jespa"
> types of answers, the JCIFS mailing list is not an 
> appropriate forum for questions about Jespa.
> 
> Mike
> 
> --
> Michael B Allen
> Java Active Directory Integration
> http://www.ioplex.com/
> 
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