We have systems external to z/OS that submit jobs to JES over encrypted ftp
sessions. We “site filetype=jes” then “put” a jcl file.

Unfortunately the JCL JOB statement uses the same USERID= and PASSWORD=
values as were used to authenticate for the ftp connection.  That all
worked perfectly until password/phrases were replaced with OTP.  One-Time
Password.

Well, the one time use gets into ftp, now the submitted job fails because
the password check fails.

I’m not on the z/OS side of things, but I want to help them by providing a
possible solution.  I’m thinking a user exit could vet the JCL submitted
through site filetype=jes to skip the password check when the job is
submitted that way. The exit should either (en)force the JOB USERID= value
to match the ftp id, or perhaps recognize a special userid id of FTPJES
that the user exit would change to the ftp user logged in and accept the
job without further password checks.

Has anybody else run into this problem, and what did you do to solve it?

Cheers,
Don

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