system is not reachable through ssh while performing an upgrade from RHEL8.0 to RHEL8.1: "Bad configuration option: CASignatureAlgorithms"
Issue
- While a system upgrade is performed from RHEL8.0 to RHEL8.1, users cannot login using ssh
-
During the upgrade, the system journal shows
sshd.service
not starting properly with the following messagessystemd[1]: Starting OpenSSH server daemon... sshd[XXX]: command-line: line 0: Bad configuration option: CASignatureAlgorithms systemd[1]: sshd.service: Main process exited, code=exited, status=1/FAILURE systemd[1]: sshd.service: Failed with result 'exit-code'. systemd[1]: Failed to start OpenSSH server daemon.
Environment
- Red Hat Enterprise Linux 8
- openssh
- crypto-policies
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