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Vielleicht wollen Sie die Verbindungen über SSL herstellen, um die Client/Server Kommunikation für eine erhöhte Sicherheit zu verschlüsseln, oder aber auch ssh verwenden, um die Netzwerkverbindung zwischen den Clients und dem Datenbankserver zu verschlüsseln. Ist eines davon realisiert, wird ein Monitoring Ihres Verkehrs und das Erlangen von Informationen zu harter Arbeit.
There is no need to run your db on vmware... If they're on the same machine the connection always goes through the local loopback device thus never touching the actual network.
This is true both when the DB host is specified as 'localhost' or '127.0.0.1' and if the machine's actual host name or outside network address is used (in which case the OS will/should recognise that it's actually a local connection and uses the loopback)
Even if webserver and DBMS are on the same phisical machine one can separate networks by setting database in virtual server inside the main system (using for example VMware solutions).
Another solution to protect your database is to have a seperate backend network exclusively used for database traffic. Your webserver(s) would have two interface cards: one facing the world, one facing the internal database network. This way- there's no chance of intercepting database traffic from the outside.
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