client should accept version "SSH-1.99"
---------------------------------------

                 Key: SSHD-159
                 URL: https://issues.apache.org/jira/browse/SSHD-159
             Project: MINA SSHD
          Issue Type: Bug
    Affects Versions: 0.6.0
            Reporter: Lee Breisacher


I'm using SshClient to make a simple connection to a linux box. I'm getting the 
following exception:

org.apache.sshd.common.SshException: Unsupported protocol version: 
SSH-1.99-OpenSSH_2.9p2
        at 
org.apache.sshd.client.session.ClientSessionImpl.readIdentification(ClientSessionImpl.java:388)
        at 
org.apache.sshd.common.session.AbstractSession.messageReceived(AbstractSession.java:226)

I see this code in ClientSessionImpl>readIdentification():

        if (!serverVersion.startsWith("SSH-2.0-")) {
            throw new 
SshException(SshConstants.SSH2_DISCONNECT_PROTOCOL_VERSION_NOT_SUPPORTED,
                                   "Unsupported protocol version: " + 
serverVersion);
        }

That serverVersion.startsWith needs to be a bit more forgiving, especially it 
needs to accept SSH-1.99. 

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