New SSH connection refused if client disconnects uncleanly

The issue was first noticed when using Crestron, but to be sure this wasn’t a Crestron issue, i tried with both putty and MobaXterm. I don’t know what steps you are doing to reproduce this issue, but are you sure you’re not connected to wifi on the client computer at the same time when pulling the ethernet cable during the testing? In that case the SSH client would send a disconnect message to the SSH server, and the issue would not occur. The issue is easily reproduced on my end.

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