Message "sshd[XXX]: Using arbitrary primes is not allowed in FIPS mode. Falling back to known groups." is recorded in the journal when server is configured in FIPS mode

Solution Verified - Updated -

Issue

  • Browsing the journal on a FIPS system, we can see sshd message below

    [...] sshd[XXX]: Using arbitrary primes is not allowed in FIPS mode. Falling back to known groups.

Environment

  • Red Hat Enterprise Linux 8
    • openssh-server
    • FIPS

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