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CICS

CA Gen TCP/IP servers execute as CICS non-terminal transactions so they are subject to two types of security checks: Surrogate user checking and Transaction-attach security. The user ID and password values that are passed to CICS must be checked using an external security manager. Both Surrogate and Transaction-attach security use only the user ID for security checking.

User ID and password values are entered in uppercase if RACF is the ESM used because RACF only recognizes uppercase characters. Other external security managers also require uppercase, or they are case-sensitive.