To maintain system security and avoid risky pitfalls, such as unauthorized access to your servers, you need to know what security steps to take when deploying the browser-based Domino Web Access (DWA) client. This article highlights the architectural differences between DWA and the Notes client, explains how Domino security operates with DWA, and shows how to use access control settings and network architecture to ensure secure access to your Domino DWA servers from both sides of the corporate firewall.