[CentOS] ssh_exchange_identification: Connection closed by remote host
Karl Vogel
vogelke+centos at pobox.com
Fri Sep 14 19:06:15 UTC 2012
>> 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, I
M> became unable to ssh into server A. All attempts abort with this
M> message:
M> ssh_exchange_identification: Connection closed by remote host
This is in the "grasping at straws" category, but have you tried
connecting with a different cipher, like "blowfish" or "3des-cbc"?
If/as/when you get access to the server, can you disable TCP checksum
offloading?
root# ethtool -K eth0 tx off rx off
root# ethtool -t eth0 offline # adapter self-test
--
Karl Vogel I don't speak for the USAF or my company
A sum of accountants --collective nouns, June 1999 LINGUIST
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