You are viewing a plain text version of this content. The canonical link for it is here.
Posted to common-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2016/06/21 09:19:58 UTC
[jira] [Commented] (HADOOP-13295) Possible Vulnerability in
DataNodes via SSH
[ https://issues.apache.org/jira/browse/HADOOP-13295?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15341425#comment-15341425 ]
Steve Loughran commented on HADOOP-13295:
-----------------------------------------
I don't think is is directly related to Hadoop at all: it doesn't use SSH at all.
How are you deploying it?
> Possible Vulnerability in DataNodes via SSH
> -------------------------------------------
>
> Key: HADOOP-13295
> URL: https://issues.apache.org/jira/browse/HADOOP-13295
> Project: Hadoop Common
> Issue Type: Bug
> Components: security
> Reporter: Mobin Ranjbar
>
> I suspected something weird in my Hadoop cluster. When I run datanodes, after a while my servers(except namenode) will be down for SSH Max Attempts. When I checked the 'systemctl status ssh', I figured out there are some invalid username/password attempts via SSH and the SSH daemon blocked all incoming connections and I got connection refused.
> I have no problem when my datanodes are not running.
--
This message was sent by Atlassian JIRA
(v6.3.4#6332)
---------------------------------------------------------------------
To unsubscribe, e-mail: common-issues-unsubscribe@hadoop.apache.org
For additional commands, e-mail: common-issues-help@hadoop.apache.org