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SQL Server DBC Connection Passwort
Message
From
13/09/2023 08:31:26
 
 
To
12/09/2023 16:41:06
General information
Forum:
Visual FoxPro
Category:
Client/server
Miscellaneous
Thread ID:
01687045
Message ID:
01687051
Views:
56
Hi Antonio!

Thx for your reply! You never stop learning ;)


>Jörg,
>
>You can override the connection string stored in the database by specifying a different CONNSTRING when USEing a remote view.
>
>
>USE YourRemoteView CONNSTRING "a connection string that you can decrypt on the fly"
>
>
>The connection string can also be a numeric handle referencing an ODBC connection as returned by an SQL*CONNECT() function.
>
>
>>Hi Dragan,
>>
>>Connections can be easily created by Create Connection and can be modified by dbsetprop(). That's not the Problem ;)
>>
>>We use partly Remote Views, and the remote views are using the Connection, which ist stored in the DBC...
>>
>>>>>Hi!
>>>>>
>>>>>Since many years we are connecting to the SQL Server. Authentication is performed using Windows Authentication.
>>>>>But now we need to specify the user and password for a special project in the connection string. So far no problem.
>>>>>But we create a connection in the DBC, and logically the connection string is stored in this connection. And therefore also the user and the password in plain text.
>>>>>Means with dbGetProp() this can be read out easily. Or from the outside with a Hex-Editor on the DBC. So this is a security hole!
>>>>>Does anyone have an idea how to get around this?
>>>>
>>>>Is there any chance to hand pwd and user as a variable to the connection?
>>>
>>>I doubt it. The one thing I remember about connection stored in a dbc is that it's unwieldy, unmovable and you can't change it programmatically, you must use the editor.
>>>
>>>So... why not a connection string? It can be stored in an encrypted textfile and decrypted from inside the app. I've seen this done and it was in an environment very careful about security.
Jörg Schneider
Joerg.Schneider@SMARTCRM.de
SMARTCRM CRM powered by MS Visual FoxPro
SMARTCRM GmbH
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