[CentOS] ssh_exchange_identification: Connection closed by remote host

Fri Sep 14 16:09:02 UTC 2012
Leon Fauster <leonfauster at googlemail.com>

Am 14.09.2012 um 17:09 schrieb M. Fioretti:
> Greetings,
> 
> I have accounts on two Centos servers, A and B, each hosted on a remote
> VPS by a different provider/datacenter.
> 
> Until yesterday night, I could connect without problems via SSH to both
> servers from my home Fedora 16 desktop.
> 
> Yesterday I completed (fingers crossed) the switch to a different ADSL
> provider. From the moment I turned on the modem on the new ADSL line, I
> became unable to ssh into server A. All attempts abort with this message:
> 
> ssh_exchange_identification: Connection closed by remote host



Check your tcp_wrapper configuration (/etc/hosts.allow, /etc/hosts.deny).

--
LF