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Changes in Behavior and Syntax
This section lists the changes in behavior of Junos OS features and changes in the syntax of Junos OS statements and commands in Junos OS Release 17.4R2 for Junos Fusion Fabrics.
Support for logging the SSH key changes—Starting with Junos OS Release 17.4R1, the configuration statement log-key-changes is introduced at the [edit system services ssh ] hierarchy level. When log-key-changes is enabled and committed (with the commit command in configuration mode), Junos OS logs the changes to the set of authorized SSH keys for each user (including the keys that were added or removed). Junos OS logs the differences since the last time log-key-changes was enabled. If the log-key-changes was never enabled, then Junos OS logs all the authorized SSH keys.