New transaction CWXU

In CICS® Transaction Server for z/OS®, Version 3 Release 1, processing for HTTP requests and processing for non-HTTP requests are kept separate. This ensures that CICS can perform basic acceptance checks on HTTP requests and responses, and that non-HTTP requests are not subjected to these checks. Processing for non-HTTP requests must now be carried out under the user-defined (USER) protocol, which is specified on the TCPIPSERVICE definition for the port that receives the requests.

The new CICS-supplied transaction CWXU, the CICS Web user-defined protocol attach transaction, is the default when the protocol is defined as USER. CWXU executes the CICS program DFHWBXN. The DFHCURDI sample includes a sample definition for CWXU. An alternative transaction that executes DFHWBXN may be used, with the exception of the other default transactions that are defined for protocols on the TCPIPSERVICE resource definition.

CWXU is a RACF® Category 1 transaction.

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