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If the Servoy Application Server is installed behind a firewall and Serv= oy Clients need to access the Servoy Application Server through the firewal= l, some configuration is required.
It can be that the ports over which the Servoy Application Server commun= icates are blocked by the firewall. By default, the Servoy Application Serv= er uses port 8080 for HTTP traffic and port 1099 for RMI traffic. Both port= s need to be opened on the firewall and forwarded to the Servoy Application= Server.
Opening the correct ports on the firewall and/or setting up the forwardi= ng needs to be done by the the person administrating the firewall.
Its also possible to configure the Servoy Application Server to run on d= ifferent ports and/or to tunnel the RMI traffic over the HTTP port.
For detailed information on configuring the different ports on the Servo= y Application Server, see Network Related Settings.
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 i= s not set-up correctly, Application Server does not know how generate the c= orrect URL. This is mainly a problem with the Servoy Webclient.
The problem may occur when the firewall is creating a new internal reque= st 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 <=
code>X-Forwarded-Host, X-Forwarded-Proto
, X-Forwa=
rded-Scheme
and Forwarded
.
Check your firewall configuration manual to enable these headers.