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CONTAP-65852: OpenSSH 8.6p1 client fails to connect to ONTAP 9.8 through ONTAP 9.10.1, when FIPS is enabled

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Issue

  • SSH from OpenSSH 8.6p1 SSH client to a FIPS-enabled ONTAP cluster running ONTAP 9.8 through ONTAP 9.10.1 fails with 'Connection closed' error.


ralfk@ubuntu:~/ssh86/openssh-8.6p1$ ./ssh -V
OpenSSH_8.6p1, OpenSSL 1.1.1l 24 Aug 2021
ralfk@ubuntu:~/ssh86/openssh-8.6p1$ ./ssh admin@10.216.38.152
FIPS enabled here!
(admin@10.216.38.152) Password:
Connection to 10.216.38.152 closed by remote host.
Connection to 10.216.38.152 closed.
  • The following error message is seen in 'messages.log' file at the time of SSH connection attempt:


[0000000c.000030f1 00f05a0b Fri Nov 26 2025 14:57:27 +00:00 [auth:CRITICAL] 1 2025-11-26T14:57:27.268235+00:00 ralfk-2008887574-SRC-01 sshd 70695 - - fatal: mm_answer_sign: sshkey_sign failed: error in libcrypto]

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