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Re: SSL / Certificates / ... Some confusion



Hi Klaus,

thanks a lot. Just two minute ago I finished my two-hour-google-look up
ending in the same direction :-)

A posting from Howard Chu pointed into the right direction:

http://www.openldap.org/lists/openldap-software/200704/msg00129.html

Than of to ->

http://www.openssl.org/docs/apps/x509v3_config.html

The next minutes I'll dedicated to you doing some kowtow.

And some more if everything works ;-)


	Cheers,

		Götz


Klaus Lemkau schrieb:
> Hi,
> 
>> X509v3 extensions:
>>              X509v3 Basic Constraints:
>>                  CA:FALSE
>>              Netscape Cert Type:
>>                  SSL Server
> 
> You can use this Certificate only for Server, not  for
> Client-authentication.
> 
> Netscape Cert Type: should be
>   SSL Client, SSL Server
> 
> if You would use the Certificate as Client/Server
> (I would prefer this)
> 
> or
>  SSL Client
> 
> if You would use the Certificate only as Client
> 
> 
> Look for
>  nsCertType
> in Your Openssl configuration file
> 
> manpage : config and x509
> 
> -- Klaus Lemkau
> 
> 
> Am 12.04.2010 11:58, schrieb Götz Reinicke - IT-Koordinator:
>> Hi,
>>
>> since a couple of days I try to setup a provider and a consumer over ssl
>> following the documentation in a book [1] an dusing two servers. (Red
>> Hat 5.x, openssl-0.9.8e-12, openldap-2.3.43-3 )
>>
>> Doing so I was confronted with a lot off different warnings/messages but
>> finaly I got the replication crypted.
>>
>> The final step in the tutorial is to use the saslmech=external but the
>> messages I do get are different from the messages I should get.
>>
>> I noticed and googeled some provider debug info and wanted to ask for
>> some prove or clarification or work around:
>>
>>> From the provider log:
>>
>> TLS certificate verification: Error, unsupported certificate purpose
>> ...
>> TLS trace: SSL3 alert write:warning:bad certificate
>> connection_read(13): unable to get TLS client DN, error=49 id=1
>>
>>> From a posting from 2006 and the answere from Howard Chu [2] I think I
>> do have the same problem: My consumer server certificate "should be"
>> from the providers view a client certificate.
>>
>>> From the certificate:
>>
>> X509v3 extensions:
>>              X509v3 Basic Constraints:
>>                  CA:FALSE
>>              Netscape Cert Type:
>>                  SSL Server
>>
>> Am I wrong, right, lost, ... Is there a workaround or any step while
>> creating the certificates?
>>
>> Thanks once more and best regards,
>>
>>     Götz
>>
>>
>> [1] http://www.galileocomputing.de/katalog/buecher/titel/gp/titelID-1801
>> [2] http://www.openldap.org/lists/openldap-software/200604/msg00202.html
>>
> 
> 


-- 
Götz Reinicke
IT-Koordinator

Tel. +49 7141 969 420
Fax  +49 7141 969 55 420
E-Mail goetz.reinicke@filmakademie.de

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