Re: ssl and odbc standar driver

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The problem was ODBC driver version :(
I update my driver from version 7.03.01 to 8.01.02 and  it's working :)


Documentation say:
"If verification of client certificates is required, place the certificates of the CA(s) you wish to check for in the file root.crt in the data directory. When present, a client certificate will be requested from the client during SSL connection startup, and it must have been signed by one of the certificates present in root.crt. Certificate Revocation List (CRL) entries are also checked if the file root.crl exists. When the root.crt file is not present, client certificates will not be requested or checked. In this mode, SSL provides communication security but not authentication"

I am working without root.crt and root.crl
Now  communication is security but not the authentication.
I will try to create certificates in the cliente and root.crt and root.crl on the server.

I have both, windows and linux client and my servers are linux.

The hairy part is that the documentation does explain the creation of the SSL stuff for the server but it fails to tell how to get the credentials for the clients.
Do you now how create this credentials and root.crl?

thank you very much by your help.


From: Andreas <maps.on@xxxxxxx>
To: Fabricio Peñuelas <fabrixio1@xxxxxxxxxxx>
CC: pgsql-admin@xxxxxxxxxxxxxx
Subject: Re:  ssl and odbc standar driver
Date: Wed, 08 Aug 2007 20:00:34 +0200

Fabricio Peñuelas schrieb:
I need to install something in the client?
Well, you obviously need the ODBC driver on the client



The certificate has to be named    postgresql.crt
and the key   postgresql.key.

this is for the client?
Yes. You need a key+cert pair for your client, too.
And it should not be the same as the server's   ;)
The hairy part is that the documentation does explain the creation of the SSL stuff for the server but it fails to tell how to get the credentials for the clients.

Every user who is supposed to connect from this client-pc needs to have at least those 2 files present in his/her "postgresql" folder. It needs to be created in the user's personal data subtree above c:\documents and settings\username\application data
We are talking about Windows as client, are we?
I haven't tried this with a Linux client but there it should be the folder /home/username/postgresql

You wrote that you could connect with pgAdmin.
pgAdmin needs the same two files with ssl-credentials so if this worked on your client, then there is something wrong with your connection string. On the other hand since the server complains that you try to connect without ssl, I'd rather think there is something wrong with your ssl-credentials. I'd guess the driver cant find them.


sorry for my bad english... :)
no problem. It isn't my first language either.

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