This article will help you to configure WFM portal Website in a DMZ server upon which it,
Accepts the requests from the Internet clients
Forwards them to the Workflow Manager
Gets responses from the Workflow Manager
Forwards them to the clients
If Workflow Manager needs to be accessed over the Internet, it is recommended to set up a portal Web server.
Below steps helps in configuring WFM portal website.
In the DMZ server, which is not in an Organizations domain, launch the Workflow manager set up and proceed with the Wizard until you reach the below screen and select the checkbox ‘Portal Website’ which is highlighted below and install the setup.
Set the system account, locate the following file on the machine where you installed the web portal: [WorkflowManagerWebPortalInstallDirectory]\web.config
Open the web.config file, locate the keys and enter appropriate values.