Reference Guide
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SSH Proxy
SSH Proxy Connections
If an SSH Key is used to connect to a device, it can be configured in Kron PAM as well. To configure this, the Direct Credential Username and Private Key need to be defined for the Device Group:
To use the Global SSH Key, the PubkeyAuthentication parameter must be defined as yes on the target device.
This parameter can be found in /etc/ssh/sshd_config, and the parameter and its directory may differ depending on the operating system.