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Status Future consideration
Created by Guest
Created on May 24, 2022

Kerberos support for JDBC Gateway to Greenplum

We use the JDBC Gateway to communicate outbound from the mainframe to distributed Greenplum. Currently only userid/password is supported. We have had to get an temporary exception in order to implement this. UYserid/passowrd voiolates our company policy.


Please build in Kerberos support from DVM on the mainframe, to JDBC Gateway and from JDBC Gateway to Greenplum,

Needed By Quarter
  • Admin
    Doug Dailey
    Jun 22, 2022

    Hello Trevor, I will follow on your request.


  • Guest
    May 24, 2022

    Additional information to consider

    The connection has to be kerberos enabled, this is a regulatory requirement. We currently have been granted an exception by our Secarch team that is valid for 2 years.

    We are currently trying to decommission the DVM/Kerberos interface due to supportability issues. All our outbound DSCLIENT connections to DB2 and Greenplum currently use Proid/Encrypted password.

    If JDBC Gateway is kerberos enabled, and the mainframe still uses proid/encrypted password, how will this work? The proid /password is created as a non kerberos proid. Will there be some sort of a mapping feature in JGATE that would map non-kerberos PROID to a Kerberos equivalent?

    To my way of thinking – with DVM/Greenplum the Kerberos will be from the JGATE server to the Greenplum (and db2, and whatever else). The mainframe to the JGATE server isn’t Kerberos/won’t be Kerberos. Unless I’ve misunderstood (entirely possible). I suppose the mf to jgate will come under scrutiny at some point.

    What are the plans to support native Kerberos from the DVM mainframe server?