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Old 01-22-2015, 01:13 AM   #1
krojther
LQ Newbie
 
Registered: Oct 2009
Posts: 20

Rep: Reputation: 0
ssh_exchange_identification: Connection closed by remote host


Hi,
I try to co connect to a linux server and get following message:


Code:
me@host:~> ssh -X target -vvv
OpenSSH_5.1p1, OpenSSL 0.9.8j-fips 07 Jan 2009
debug1: Reading configuration data /etc/ssh/ssh_config
debug1: Applying options for *
debug2: ssh_connect: needpriv 0
debug1: Connecting to target [192.103.143.9] port 22.
debug1: Connection established.
debug3: Not a RSA1 key file /users/me/.ssh/id_rsa.
debug2: key_type_from_name: unknown key type '-----BEGIN'
debug3: key_read: missing keytype
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug3: key_read: missing whitespace
debug2: key_type_from_name: unknown key type '-----END'
debug3: key_read: missing keytype
debug1: identity file /users/me/.ssh/id_rsa type 1
debug1: identity file /users/me/.ssh/id_dsa type -1
ssh_exchange_identification: Connection closed by remote host
Now I am trying to figure out what the problem is but I cannot connect to the target server. Is there any other way to connect except using ssh?
Thanx
 
Old 01-22-2015, 03:41 AM   #2
chrism01
LQ Guru
 
Registered: Aug 2004
Location: Sydney
Distribution: Centos 6.9, Centos 7.3
Posts: 17,356

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Looks like something wrong with your keyfile
Code:
debug3: Not a RSA1 key file /users/me/.ssh/id_rsa.
You should check the key files' contents.

The only person who can tell you how to connect is the sys admin.
If its ssh-keys only, looks like you may have to generate a new pair and send the pub key to him out-of-band or he may allow passwd access just long enough to send the new key.
 
Old 01-22-2015, 05:11 AM   #3
krojther
LQ Newbie
 
Registered: Oct 2009
Posts: 20

Original Poster
Rep: Reputation: 0
I can connect to other servers so I think the problem is not in the keyfile.
I only know that there has been a distro upgrade on the machine with the target server.
 
  


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