ssh_exchange_identification: Connection closed by remote host

dave

dave

I am seeing a very high rate of SSH attack lately, as in several attempts per minute. I am not particularly worried about break-ins, as I use hard passwords, have very few user accounts and use denyhosts to block persistent attempts. But, as of today, I am receiving this error when trying to connect to two separate machines...

Code: 
ssh_exchange_identification: Connection closed by remote host

I guess this is due to too many concurrent connections?

Am I going to have to head down to the data center and change my config? IF so, what to do?

Thanks in advance.
 
That message may indicate that your host(s) or subnets have been added to the sshd deny list in /etc/hosts.allow.
 
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