VirtualVault Architecture

Trusted Operating System

OUTSIDE

gateway

Web

Server

Internet

Client

Approved

CGIs

Approved

CGIs

Internal

Server

Internal Web

Server

Internal Browser

Administration,

Maintenance

INSIDE

SYSTEM

SYSTEM_HI

CGI Apps

CGI

Scripts

HTML Pages

Audit

Trail

Web server invokes CGI

Browser sends HTTP

Gateway checks CGI

Gateway invokes "real" CGI, which accesses Intranet data source/legacy application

CGI converts response to HTML, returns to client browser

Java Virtual

Machine

Java

Servlets

Security

Event

Monitoring

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