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Posted to dev@mina.apache.org by "Sivanagarajup (Jira)" <ji...@apache.org> on 2019/10/28 11:46:00 UTC
[jira] [Comment Edited] (SSHD-951) Query on how to restart sshd
server in single jboss session
[ https://issues.apache.org/jira/browse/SSHD-951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16960928#comment-16960928 ]
Sivanagarajup edited comment on SSHD-951 at 10/28/19 11:45 AM:
---------------------------------------------------------------
Hi [~lgoldstein],
As you suggested we created new sshd instance and configured it, now able to stop/start sshd server in single jboss session.
But after restarting sshd server not able to connect to it, getting following error
{code:java}
[root@svc-4-bnsiserv conf]# ssh administrator@localhost -p 8345
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
be:28:b9:6f:3a:9b:ec:8c:8c:4f:90:ff:ce:95:b8:68.
Please contact your system administrator.
Add correct host key in /root/.ssh/known_hosts to get rid of this message.
Offending key in /root/.ssh/known_hosts:1
RSA host key for [localhost]:8345 has changed and you have requested strict checking.
Host key verification failed.
{code}
For previous versions of sshd-core jar we didn't get this type of errors while connecting to it after restarting sshd server.
Could you please help us on this.
*NOTE :* if we are deleting entry for *[localhost]:8345* in /root/.ssh/known_hosts file it is working fine but from customer perspective this is not recommended way.
Thanks
Siva
was (Author: siva999):
Hi [~lgoldstein],
As you suggested we created new sshd instance and configured it, now able to stop/start sshd server in single jboss session.
But after restarting sshd server not able to connect to it, getting following error
{code:java}
[root@svc-4-bnsiserv conf]# ssh administrator@localhost -p 8345
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED! @
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
IT IS POSSIBLE THAT SOMEONE IS DOING SOMETHING NASTY!
Someone could be eavesdropping on you right now (man-in-the-middle attack)!
It is also possible that the RSA host key has just been changed.
The fingerprint for the RSA key sent by the remote host is
be:28:b9:6f:3a:9b:ec:8c:8c:4f:90:ff:ce:95:b8:68.
Please contact your system administrator.
Add correct host key in /root/.ssh/known_hosts to get rid of this message.
Offending key in /root/.ssh/known_hosts:1
RSA host key for [localhost]:8345 has changed and you have requested strict checking.
Host key verification failed.
{code}
For previous versions of sshd-core jar we didn't get this type of errors while connecting to it after restarting sshd server.
Could you please help us on this.
*NOTE :* if we are deleting entry for *[localhost]:8345* in /root/.ssh/known_hosts file it is working fine but from customer perspective this is not recommonded way.
Thanks
Siva
> Query on how to restart sshd server in single jboss session
> -----------------------------------------------------------
>
> Key: SSHD-951
> URL: https://issues.apache.org/jira/browse/SSHD-951
> Project: MINA SSHD
> Issue Type: Question
> Affects Versions: 2.2.0
> Reporter: Sivanagarajup
> Priority: Major
>
> Hi Team,
> We are facing an issue with version *sshd-core-2.2.0*
> In the same session once we stoped ssh server we are not able to start the ssh server again.
> it is throwing exception below
> {code:java}
> Caused by: java.lang.IllegalStateException: Can not start the server again
> Caused by: java.lang.IllegalStateException: Can not start the server again at org.apache.sshd.server.SshServer.start(SshServer.java:293)
> {code}
> As per your code in *org.apache.sshd.server.SshServer -> start()*
> {code:java}
> public void start() throws IOException {
> if (isClosed()) {
> throw new IllegalStateException("Can not start the server again");
> }
> ------
> ------
> }{code}
> it is not allowing us to start sshd server again.
> Note: Once we restarted our jboss server then we are able to start sshd server.
> But we need to start/stop the ssh server multiple times in single session
> Could you please help us on above issue.
>
> Thanks
> Siva
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