Use the following solutions to remediate a "timed out while waiting for handshake" error at the time of a SonicWall inspection:
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​Troubleshoot network issues. Confirm can connect via SSH into the SonicWall from the machine on which the Liongard Agent is installed.

Check the 'readyTimeout' SSH parameter. On occasion, the `readyTimeout` SSH parameter (i.e., how long many milliseconds to wait for the SSH handshake to complete) may need to be increased.