On Tue, Jan 20, 2026 at 04:42:13PM -0000, Stuart Henderson wrote:
> So putty drops the connection before auth'ing:
> 
> debug1: SSH2_MSG_NEWKEYS sent [preauth]
> debug1: Sending SSH2_MSG_EXT_INFO [preauth]
> debug3: send packet: type 7 [preauth]
> debug1: expecting SSH2_MSG_NEWKEYS [preauth]
> Connection closed by 192.168.69.109 port 5821 [preauth]
> debug1: monitor_read_log: child log fd closed

Is it possible that this installation of putty has previously communicated
with something else at the same IP address and has credentials stored that
don't match the current OpenBSD installation?

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