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After enabling FIPS cannot SSH to the CLI or access System Manager

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Category:
ontap-9
Specialty:
core
Last Updated:

Applies to

  • ONTAP 9
  • FIPS
  • System Manager

Issue

  • After enabling FIPS, cannot SSH to the CLI:

Error:  
Connection closed by remote host

  • Cannot access System Manager:   

Error: 
ERR_CONNECTION_REFUSED

  • Messages log may indicate errors similar to the following:  

0000007f.0000f36f 0011291c Sat Aug 17 2024 22:19:55 +00:00 [daemon:info] 1 2024-08-17T22:19:55.832894+00:00 node-01 xinetd 8031 - - START: ssh pid=83265 from=::ffff:10.93.176.67 vsid=-1 role=0x20
0000007f.0000f370 0011291c Sat Aug 17 2024 22:19:55 +00:00 [auth:error] 1 2024-08-17T22:19:55.865010+00:00 node-01 sshd 83265 - - error: Unsupported KEX algorithm "diffie-hellman-group14-sha1"
0000007f.0000f371 0011291c Sat Aug 17 2024 22:19:55 +00:00 [auth:CRITICAL] 1 2024-08-17T22:19:55.865263+00:00 node-01 sshd 83265 - - fatal: /etc/ssh/sshd_config line 103: Bad SSH2 KexAlgorithms 'diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1,ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,curve25519-sha256@libssh.org'.
0000007f.0000f372 0011291c Sat Aug 17 2024 22:19:55 +00:00 [daemon:info] 1 2024-08-17T22:19:55.865922+00:00 node-01 xinetd 8031 - - EXIT: ssh status=255 pid=83265 duration=0(sec)

  • Admin SVM missing from security ssh show

Cluster::*> security ssh show
                           Key Exchange  MAC              Max Authentication
Vserver        Ciphers     Algorithms    Algorithms              Retry Count
-------------- ----------  ------------  --------------   ------------------
svm1           aes256-     diffie-       hmac-sha2-256,                    6
               ctr,        hellman-      hmac-sha2-256-
               aes192-     group-        etm,
               ctr,        exchange-     hmac-sha2-512,
               aes128-     sha256,       hmac-sha2-512-
               ctr,        ecdh-sha2-    etm, umac-64,
               aes128-     nistp256,     umac-128,
               gcm,        ecdh-sha2-    umac-64-etm,
               aes256-gcm  nistp384,     umac-128-etm
                           ecdh-sha2-
                           nistp521,
                           curve25519-
                           sha256
svm1           aes256-     diffie-       hmac-sha2-256,                    6
               ctr,        hellman-      hmac-sha2-256-
               aes192-     group-        etm,
               ctr,        exchange-     hmac-sha2-512,
               aes128-     sha256,       hmac-sha2-512-
               ctr,        ecdh-sha2-    etm, umac-64,
               aes128-     nistp256,     umac-128,
               gcm,        ecdh-sha2-    umac-64-etm,
               aes256-gcm  nistp384,     umac-128-etm
                           ecdh-sha2-
                           nistp521,
                           curve25519-
                           sha256
svm3            aes256-     diffie-       hmac-sha2-256,                    6
               ctr,        hellman-      hmac-sha2-256-
               aes192-     group-        etm,
               ctr,        exchange-     hmac-sha2-512,
               aes128-     sha256,       hmac-sha2-512-
               ctr,        ecdh-sha2-    etm, umac-64,
               aes128-     nistp256,     umac-128,
               gcm,        ecdh-sha2-    umac-64-etm,
               aes256-gcm  nistp384,     umac-128-etm
                           ecdh-sha2-
                           nistp521,
                           curve25519-
                           sha256
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