Method 2: Connecting to a MVS web server running on the same MVS image as a CICS region

Connecting a browser to the latest MVS web server offers the following security features: 

• encryption/decryption of data streams flowing between web browsers and MVS applications 
• calls to RACF to authenticate clients and check resource usage within MVS. 

MVS web servers have evolved through the following products: 

• MVS Internet Connection Server (ICS) 
• MVS Internet Connection Secured Server (ICSS) 
• Domino Go Server 
• repackaged with WebSphere 

The process flow is as follows: 

1. The web browser connects to the MVS web server. 
2. Code within the MVS web server routes the request to the required CICS service 
3. The CICS business logic interface services the request. 

2.1 Common Gateway Interface

2.2 CICS Transaction Gateway for OS/390

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