Data Exchange between DMZ and LAN

Implemented several windows services from scratch. The purpose of the services is to allow exchange of data between the supplier portal, which resides on the DMZ, and the LAN in a secure and restricted manner. The Supplier Portal is defined as an external gateway to the internal application server.

Key features include Active directory integration for user authentication, synchronization of user attributes and sending notification email to administrators, SOAP web service API calls to synchronize the two systems, Secure FTP transfers. Advanced logging system which logs errors, warnings, information and debug messages to a log file or windows event viewer based on user settings. The services are fully customizable using ini files for configuration.