Re: Error: Read from socket failed: Connection reset by peer

[Darshaka Pathirana <dpat@syn-net.org>]

On 04/12/2010 08:26 AM, Γιώργος Πάλλας wrote:
> vikram wrote:
>> Hi,
>>
>> This is the output of scp -vv
>>
>> $ scp -vv files.tar.gz root@192.168.1.11:/root/Desktop
>> Executing: program /usr/bin/ssh host 192.168.1.11, user root, command
>> scp -v -t /root/Desktop
>> OpenSSH_5.1p1 Debian-5, OpenSSL 0.9.8g 19 Oct 2007
>> debug1: Reading configuration data /etc/ssh/ssh_config
>> debug1: Applying options for *
>> debug2: ssh_connect: needpriv 0
>> debug1: Connecting to 192.168.1.11 [192.168.1.11] port 22.
>> debug1: Connection established.
>> debug1: identity file /home/user/.ssh/identity type -1
>> debug1: identity file /home/user/.ssh/id_rsa type -1
>> debug1: identity file /home/user/.ssh/id_dsa type -1
>> debug1: Remote protocol version 2.0, remote software version
>> OpenSSH_5.1p1 Debian-5
>> debug1: match: OpenSSH_5.1p1 Debian-5 pat OpenSSH*
>> debug1: Enabling compatibility mode for protocol 2.0
>> debug1: Local version string SSH-2.0-OpenSSH_5.1p1 Debian-5
>> debug2: fd 3 setting O_NONBLOCK
>> debug1: SSH2_MSG_KEXINIT sent
>> Read from socket failed: Connection reset by peer
>> lost connection
>>
>> I get this not matter which file i try to copy.
>>
> 
> Hmmm, this could be an active RST denial of service. Could you possibly
> get a tcpdump of the session and check if you receive an RST packet just
> before the connection reset by peer?

Unlikely. On an internal server (but still possible). I had a
similar problem on a dying system. (The XEN-Server died but the
SSH-Socket on the guest was still up and any connection was "reset
by peer").

Greetings,
 - Darsha