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http://jira.codehaus.org/browse/WAGON-262?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Brett Porter updated WAGON-262:
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    Fix Version/s: 1.0

> Support hashed hostnames in the known_hosts file
> ------------------------------------------------
>
>                 Key: WAGON-262
>                 URL: http://jira.codehaus.org/browse/WAGON-262
>             Project: Maven Wagon
>          Issue Type: Improvement
>          Components: wagon-ssh
>    Affects Versions: 1.0-beta-5
>            Reporter: Wes Wannemacher
>            Priority: Minor
>             Fix For: 1.0
>
>
> This isn't directly a wagon problem, but it was a problem with the older 
> Jsch. Newer versions of OpenSSH can be told to hash the host names in the 
> known_hosts file... There is some information on the 'net about the file 
> format, example link - 
> http://nms.csail.mit.edu/projects/ssh/install40-other.php. Although I have 
> never had a problem before, I ran a bare-metal install of Ubuntu Jaunty 
> earlier in the week and they have this option turned on by default. Since 
> this was a new machine, all of the entries in known_hosts were hashed. This 
> means, you try to deploy an artifact using wagon-ssh and you will get 
> prompted since authenticity can't be verified. There is info on the Jsch home 
> page that says that later versions (0.4.1?) support hashed known_hosts. I 
> tried updating the pom.xml file to use a newer Jsch, and all of the unit 
> tests pass. There is also a nabble thread here (where I converse with myself) 
> about the issue - 
> http://n2.nabble.com/release%3Aperform-problem-with-ssh-scp-td2734566.html#none
> I'm not going to attach a patch, since all that I have tried to do is update 
> the pom, I haven't done proper testing. 

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