A CCESS G ATEWAY6 Introduction5. The “Goodbye” page is a post-session page that can be defined either as a RADIUS VSAor be driven by the Internal Web Server (IWS) in the NSE. Using the IWS option meansthat this functionality is also available for other post-paid billing mechanisms (forexample, post-paid PMS).NSE Core FunctionalityPowering Nomadix’ family of Access Gateways, the Nomadix Service Engine (NSE) deliversa full range of features needed to successfully deploy public access networks. These “core”features solve issues of connectivity, security, billing, and roaming in a Wi-Fi public accessnetwork.The NSE’s core package of features includes: Access Control Bandwidth Management Billing Records Mirroring Bridge Mode Command Line Interface Credit Card Dynamic Address Translation™ Dynamic Transparent Proxy End User Licensee Count External Web Server Mode Home Page Redirect iNAT™ Information and Control Console Internal Web Server International Language Support IP Upsell Logout Pop-Up Window MAC Filtering Multi-Level Administration Support NTP Support