An EXCI connection defined in CICS with ATTACHSEC = LOCAL allows users to access the system even though they don't have access to that region.
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An EXCI connection defined in CICS with ATTACHSEC = LOCAL allows users to access the system even though they don't have access to that region.

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Article ID: 52547

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Updated On:

Products

ACF2 ACF2 - DB2 Option ACF2 for zVM ACF2 - z/OS ACF2 - MISC PanApt PanAudit

Issue/Introduction

An EXCI connection that is defined in CICS with ATTACHSEC = LOCAL allows users who are not permitted access to the region to access the system as though they did have the access. If the connection is defined with ATTACHSEC = IDENTIFY, the users are not permitted to sign on to the CICS region. Does this mean that the CICS connections must be defined with ATTACHSEC = IDENTIFY for ACF2 to validate them?

 

 

Environment

Release:
Component: ACF2MS

Resolution

The CICS connection must specify ATTACHSEC=IDENTIFY to get an ACF2 validation of the signon. ATTACHSEC=LOCAL means there is no signon information available, so CICS bypasses signon processing and ACF2/CICS will assign the MRO default id to the connection. Since ACF2/CICS hooks into the signon processing you must have ATTACHSEC=IDENTIFY to initiate signon in CICS and have signon validation by ACF2/CICS.