LDAP proxy

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Michal Rejda wrote:
>> Michal Rejda wrote:
>>     
>>>> Michal Rejda wrote:
>>>>
>>>>         
>>>>>> -----Original Message-----
>>>>>> From: fedora-directory-users-bounces at redhat.com [mailto:fedora-
>>>>>> directory-users-bounces at redhat.com] On Behalf Of Rich Megginson
>>>>>> Sent: Tuesday, April 14, 2009 4:25 PM
>>>>>> To: General discussion list for the Fedora Directory server
>>>>>>             
>> project.
>>     
>>>>>> Subject: Re: LDAP proxy
>>>>>>
>>>>>> Michal Rejda wrote:
>>>>>>
>>>>>>
>>>>>>             
>>>>>>> I tried to use http://tinyurl.com/culeft. But the database link
>>>>>>>
>>>>>>>
>>>>>>>               
>>>>>> doesn't work. I setup the database link to the Active Directory
>>>>>>             
>> (and
>>     
>>>>>> OpenLDAP). When I looked into Wireshark log, FDS send search
>>>>>>             
>> request
>>     
>>>>>> with controls:
>>>>>>
>>>>>>
>>>>>>             
>>>>>>> 	2.16.840.1.113730.3.4.2
>>>>>>> 	2.16.840.1.113730.3.4.12
>>>>>>> And the AD server responded: Unavailable Critical Extension.
>>>>>>>
>>>>>>> I tried to remove this two controls from Database Link Settings
>>>>>>>               
>> (in
>>     
>>>>>>>               
>>>>>> administration console) but it didn't help. The server didn't
>>>>>>             
>> return
>>     
>>>>>> the message above, but the administrative console show error
>>>>>>             
>> dialog.
>>     
>>>>>> What error?
>>>>>>
>>>>>>
>>>>>>             
>>>>> I tried it again and the error message is exactly:
>>>>>
>>>>> Error fading object 'dn: dc=example, dc=com'.
>>>>> The error send by the server was:
>>>>> ".
>>>>>
>>>>> In the Whireshark log was still the search request witch control:
>>>>> 	2.16.840.1.113730.3.4.2
>>>>>
>>>>> Why is this control needed by the server when I removed it from
>>>>>
>>>>>           
>>>> Database link settings?
>>>>
>>>> I'm not sure - maybe the console is not working correctly. Try this:
>>>> 1) Shutdown the server
>>>> 2) cd /etc/dirsrv/slapd-yourinstance
>>>> 3) edit dse.ldif - look for the entry
>>>> dn: cn=config,cn=chaining database,cn=plugins,cn=config
>>>> 4) edit the nsTransmittedControls attribute - remove
>>>> 2.16.840.1.113730.3.4.2
>>>> 5) save and restart the server
>>>>
>>>>         
>>> I looked into dse.ldif for a nsTransmittedControls attribute. There
>>>       
>> is only the 1.3.6.1.4.1.1466.29539.12. , not the problematic
>> 2.16.840.1.113730.3.4.2.
>>     
>>> Isn't the 2.16.840.1.113730.3.4.2 hardcoded?
>>>       
>> If it is, I don't see it. There is no mention of managedsa or
>> 2.16.840.1.113730.3.4.2 anywhere in the chaining backend code. The only
>> place it is mentioned is in the default list of nsTransmittedControls
>> in
>> the template-dse.ldif used during new instance creation.
>>     
>>> Why is this so necessary?
>>>
>>>       
>> It's not necessary, and I'm not sure where it is coming from. Once
>> place
>> might be an internal operation, but I'm not sure what internal
>> operation
>> would be doing this. You might also try to remove
>> nsActiveChainingComponents and nsPossibleChainingComponents to see if
>> one of those components is doing an internal operation with managedsait
>> set.
>>     
>
> I removed nsActiveChainingComponents and nsPossibleChainingComponents and it didn't  help.
>   
Then I'm not sure where it's coming from. I suppose you could enable 
tracing in the directory server and see if there is anything interesting 
in the error log - see 
http://directory.fedoraproject.org/wiki/FAQ#Troubleshooting
>   
>>>>>>>> Michal Rejda wrote:
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>                 
>>>>>>>>> Hi all,
>>>>>>>>>
>>>>>>>>> I?m trying to setup proxy on FDS to another LDAP server
>>>>>>>>>                   
>> (OpenLDAP
>>     
>>>>>>>>> and Active Directory). I tried two ways, but none of these
>>>>>>>>>                   
>> works:
>>     
>>>>>>>>> 1) New database link to LDAP server.
>>>>>>>>>
>>>>>>>>> - The remote LDAP server (OpenLDAP) returns: null. manageDSAit
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>                   
>>>>>>>> control
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>                 
>>>>>>>>> value not found
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>                   
>>>>>>>> You might have to tweak the controls used by chaining - see
>>>>>>>> http://tinyurl.com/culeft
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>                 
>>>>>>>>> 2) Create multiple-master replication and setup other server as
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>                   
>>>>>>>> consumer.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>                 
>>>>>>>>> - But this show error: 255 Replication error acquiring replica:
>>>>>>>>> unknown error.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>                   
>>>>>>>> Replication will only work to a SunDS, not to any other vendor.
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>                 
>>>>>>>>> My question is: Is there way how to setup proxy to access
>>>>>>>>>                   
>> another
>>     
>>>>>>>>>
>>>>>>>>>                   
>>>>>>>> LDAP
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>                 
>>>>>>>>> server from Fedora DS? I know that is possible to use AD sync,
>>>>>>>>>
>>>>>>>>>                   
>>>> but
>>>>
>>>>         
>>>>>> I
>>>>>>
>>>>>>
>>>>>>             
>>>>>>>>> cannot install anything on the AD server. The second reason why
>>>>>>>>>                   
>> I
>>     
>>>>>>>>>
>>>>>>>>>                   
>>>>>>>> need
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>                 
>>>>>>>>> to setup proxy is to use data stored in LDAP server (OpenLDAP,
>>>>>>>>> Open Direcoty Server and Active Directory) in one place. I need
>>>>>>>>>
>>>>>>>>>                   
>>>> to
>>>>
>>>>         
>>>>>> update
>>>>>>
>>>>>>
>>>>>>             
>>>>>>>>> them too. It is not necessary to synchronize passwords.
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>                   
>>>>>>>> See also
>>>>>>>>
>>>>>>>>                 
>> http://directory.fedoraproject.org/wiki/Howto:OpenldapIntegration
>>     
>>>>>>>>
>>>>>>>>                 
>>>>>>>>> Thank you for reply.
>>>>>>>>>
>>>>>>>>> Regards,
>>>>>>>>>
>>>>>>>>> Michal
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>                   
>>>
>>> --
>>> Fedora-directory-users mailing list
>>> Fedora-directory-users at redhat.com
>>> https://www.redhat.com/mailman/listinfo/fedora-directory-users
>>>
>>>       
>
>
>
> --
> Fedora-directory-users mailing list
> Fedora-directory-users at redhat.com
> https://www.redhat.com/mailman/listinfo/fedora-directory-users
>   


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