[CentOS] ssh_exchange_identification: Connection closed by remote host

M. Fioretti wrote:
>
> On Fri, September 14, 2012 9:06 pm, Karl Vogel wrote:
>>>> On Fri, 14 Sep 2012 17:09:46 +0200 (CEST),
>>>> "M. Fioretti" <mfioretti at nexaima.net> said:
>>
>> M> Yesterday I completed (fingers crossed) the switch to a different
>> ADSL M> provider. From the moment I turned on the modem on the new ADSL
line,
>> M> I became unable to ssh into server A. All attempts abort with this
>> M> message:
>> M>    ssh_exchange_identification: Connection closed by remote host
>>
<snip>
> both cyphers and there is no difference. Thanks for the other suggestion,
> I'll try that as the server is reachable again.

It's now reachable? Sounds to me as though your provider, or hosting
provider, had something screwed up and just fixed it.

       mark