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Authentication trick

From: "antongiulio05(at)gmail(dot)com" <antongiulio05(at)gmail(dot)com>
To: pgsql-jdbc(at)postgresql(dot)org
Subject: Authentication trick
Date: 2006-11-30 18:10:32
Message-ID: 20061130191032.fe2311a9.www.gmail.com@localhost.localdomain (view raw or flat)
Thread:
Lists: pgsql-jdbc
Hi,

some commercial softwares use a trick to avoid copy of a db, license-crack, etc. They use generate a key -> "ID of db-instance". For example, if you dump a db on other machine with postgres installed, this key will be different and so application will not start.

It was good for Oracle, DB2 and MS-SQL. Is there a "similar key" for Postgres? Is it possible retrieve it via-jdbc? How?

Thanks,
Giulio

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