What rules would I need for user ID AAAAAAA that allows it to only link to account BBBBBBB and blocks it or prevents it from linking to any other user ID?
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What rules would I need for user ID AAAAAAA that allows it to only link to account BBBBBBB and blocks it or prevents it from linking to any other user ID?

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Article ID: 11796

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Updated On:

Products

VM:Secure for z/VM

Issue/Introduction

My experience with VM:Secure Rules has been to control access to a user ID that I control, for example "REJECT AAAAAAA LINK" would block user ID AAAAAAA from linking to my ID.

What rules would I need for user ID AAAAAAA that allows it to only link to account BBBBBBB and blocks it or prevents it from linking to any other user ID?

 

Environment

Release: SECVTM00200-3.1-Secure VTAM
Component:

Resolution

Create a user rule to allow the LINK.

 

In user BBBBBB's user rules you would have:

ACCEPT AAAAAAA LINK * * (or whatever link addr and mode you want).

 

Then, in the SYSTEM DEFAULT (note DEFAULT vs. OVERRIDE system rules) you would have: 

REJECT AAAAAAA LINK * * 

 

You can also issue the VMSECURE QRULES command to verify the rules put in.