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https://issues.apache.org/jira/browse/SSHD-1214?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17419999#comment-17419999
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Thomas Wolf commented on SSHD-1214:
-----------------------------------

I see now that
* you have control of the server, since you showed the server-side config in 
our original report, and
* you have {{MaxAuthTries 3}} set.

Sorry for not looking better before.

So, the server disconnects after the third attempt with that 
C:\Users\y00509705\.ssh\id_rsa key and ssh-rsa signature. This means that this 
key indeed does not work. Configure your client to not use it.

> sshd login success using sshd 2.6.0 but failure with sshd 2.7.0
> ---------------------------------------------------------------
>
>                 Key: SSHD-1214
>                 URL: https://issues.apache.org/jira/browse/SSHD-1214
>             Project: MINA SSHD
>          Issue Type: Bug
>    Affects Versions: 2.7.0
>            Reporter: wei yao
>            Priority: Major
>             Fix For: 2.6.0
>
>         Attachments: error.txt, ok.txt
>
>
> Hi, dear team.
> I'am facing one issue that the following code could login to one ssh server 
> with sshd 2.6.0 but fail with 2.7.0. The configuration of sshd_config is:
> PermitRootLogin yes
> PasswordAuthentication yes
> UseDNS no
> Protocol 2
> LogLevel VERBOSE
> MaxAuthTries 3 
> PubkeyAuthentication yes
> RSAAuthentication yes
> IgnoreRhosts yes
> RhostsRSAAuthentication no
> HostbasedAuthentication no
> PermitEmptyPasswords no
> PermitUserEnvironment no
> Ciphers aes128-ctr,aes192-ctr,aes256-ctr
> ClientAliveInterval 300
> ClientAliveCountMax 0
> Banner /etc/issue.net
> MACs hmac-sha2-256,hmac-sha2-512
> StrictModes yes
> AllowTcpForwarding no
> AllowAgentForwarding no
> GatewayPorts no
> PermitTunnel no
> KexAlgorithms 
> ecdh-sha2-nistp256,ecdh-sha2-nistp384,ecdh-sha2-nistp521,diffie-hellman-group-exchange-sha256,diffie-hellman-group-exchange-sha1,diffie-hellman-group14-sha1
>  
> the java code is following:
> {code:java}
> //
> public static String sshAndExecCommandThenGetResult(String ip, int port, 
> String username, String password, String command){
>     @Cleanup(value = "stop")
>     SshClient client = SshClient.setUpDefaultClient();
>     client.start();
>     try (ClientSession session = client.connect(username, ip, 
> port).verify(Duration.ofSeconds(20))
>             .getSession()) {
>         session.addPasswordIdentity(password); // for password-based 
> authentication
>         ClientSessionImpl c = (ClientSessionImpl)session;
>         AuthFuture authFuture = session.auth();
>         authFuture.verify(Duration.ofSeconds(10));
>         return session.executeRemoteCommand(command);
>     } catch (Exception e) {
>         log.error(e.getMessage(), e);
>         return "exception when exec command:" + e.getMessage();
>     }
> {code}
> The debug log is in attachment.
> Please check. Thanks.



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