RHEL8: Cannot ssh password-less, message "sign_and_send_pubkey: no mutual signature supported" is recorded in the journal
Issue
-
When trying to ssh using a public key from a RHEL8 system to some ancient RHEL systems (usually RHEL6), ssh fails using the public key and requests the password. The following message can be seen in verbose mode:
sign_and_send_pubkey: no mutual signature supported
Environment
- Red Hat Enterprise Linux 8
- ssh
- crypto-policies
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