From time to time I develop an insight, technique, or tool related to z/VM security that I think are of general interest. I humbly offer this collection that will, hopefully, grow over time.

If you have comments, please send mail to Alan_Altmark at us.ibm.com. You will find me in the IBMVM, IBMTCP-L, and LINUX-390 list servers.

• How to validate a userid and password using the DMSPASS CSL routine (in REXX).