Skip to main content
NetApp Knowledge Base

ONTAP pre-update check: Openssh 7.2 upgrade Warning: "hmac-ripemd160" and precheck "hmac-ripemd160-etm" are considered weak

  1. Last updated
  2. Save as PDF
Views:
973
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
core
Last Updated:

Applies to

  • ONTAP 9.1 and later
  • Upgrading from 9.1 to 9.2 and later

Issue

While performing the ONTAP upgrade pre-check  command cluster image validate -version  you receive the following pre-check Warning:
 
Pre-update Check      Status     Error-Action
--------------------- ---------- --------------------------------------------
Openssh 7.2 upgrade   Warning    Warning: "hmac-ripemd160" and
precheck                         "hmac-ripemd160-etm" are considered weak
                                 keyed-hash message authentication code
                                 (HMAC) algorithms and support for the same
                                 will be removed after upgrading to Data
                                 ONTAP 9.3.
                                 Action: Before retrying the upgrade, remove
                                 the above weak algorithms using "security
                                 ssh remove" command. To list all Vservers
                                 configured with one or both the above HMAC
                                 algorithms, run "security ssh show
                                 -mac-algorithms hmac-ripemd160* -vserver * -fields vserver"
 

 

Sign in to view the entire content of this KB article.

New to NetApp?

Learn more about our award-winning Support

NetApp provides no representations or warranties regarding the accuracy or reliability or serviceability of any information or recommendations provided in this publication or with respect to any results that may be obtained by the use of the information or observance of any recommendations provided herein. The information in this document is distributed AS IS and the use of this information or the implementation of any recommendations or techniques herein is a customer's responsibility and depends on the customer's ability to evaluate and integrate them into the customer's operational environment. This document and the information contained herein may be used solely in connection with the NetApp products discussed in this document.