On Wed, Sep 03, 2003 at 11:46:30AM -0400, Charles B Cranston wrote:
> Sean McKay wrote:
> 
> >I was not able to get the LDAPS server to respond to the query so out of
> >despiration, I thought I'd try HTTPS -- if I remember right, I think
> >Microsoft uses a non-standard for LDAPS that I can't remember right now.
> 
> I am aware of one incompatability in the LDAP world.  This causes OpenLDAP
> to be incompatable with both the IBM Directory Server and I believe with
> Microsoft as well.  This is due to a modification to the way that LDAP
> does encoding to thwart a possible attack method, unfortunately, neither
> of these products interworks with the thwart.
> 
> Interestingly enough, the Perl Net::LDAPS works fine with EITHER kind of
> server.  It is totally written in Perl so does not use any of these
> libraries.
> 
> You might try to see if you can set a bit in OpenLDAP that passes
> through to OpenSSL that says "don't implement the thwart".  I had a
> conjecture that this might work (I was working in PHP at the time)
> but never had a chance to test it out.
> 
> But there is clearly an incompatability, and we had to do local code to
> make the Apache SSL stuff work with a "special library" IBM donated
> to us.
> 
> I might be able to post a URL for a technical explanation if anybody
> is interested in seeing it.

yes please.
Is it an "empty fragment" counter-measure introduced by OpenSSL
and not yet widely implemented elsewhere?

regards,
Vadim

> 
> -- 
> Charles B (Ben) Cranston
> mailto: [EMAIL PROTECTED]
> http://www.wam.umd.edu/~zben
> 
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