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Port mapping

If the Servoy Application Server is installed behind a firewall and Servoy Clients need to access the Servoy Application Server through the firewall, some configuration is required.


For detailed information on configuring the different ports on the Servoy Application Server, see Network Related Settings.

Forwarding of Request headers

In some situations, Servoy needs to generate URLs that are referring to its own external location, as used by the client browser. When a firewall is not set-up correctly, Application Server does not know how generate the correct URL. This is mainly a problem with the Servoy Webclient.

The problem may occur when the firewall is creating a new internal request to the Application server for each external request and in the internal request some headers are missing.

If the firewall has an option to set the 'Pass Host Header', this should be turned on.

If this is not possible, Servoy will inspect requests for headers X-Forwarded-Host, X-Forwarded-Proto, X-Forwarded-Scheme and Forwarded.

Check your firewall configuration manual to enable these headers.