Description of a Problem You have a custom WEB application that runs inside your enterprise on some internal server and on some custom port. How to make this application accessible from outside through a published HTTP link on port 80? Proposed Solution On your production IIS server you create a directory that is accessible from outside on port 80. Then you configure a Reverse Proxy solution described here. This way neither you, nor your clients have to open custom ports on their firewalls. How Does It Work IIS server receives HTTP request on port 80 through corporate firewalls. It then translates request according to routing rules to a destination on…