Visualforce and VPN

Question

I want to integrate the Salesforce implementation with an external database. I know that in most cases I would use Visualforce with an Apex controller / extension to access the data, however an external database will require a VPN connection. Since Visualforce and any controllers or extensions are handled on the server side, is there a way to do this through a VPN?

Answer 1

The simplest solution that arises for me is to expose the data through the web service and then write the Apex web service class to call the data. I did this several times when the data was behind a firewall.

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