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Package talk:OpenSSH
Revision as of 02:32, December 28, 2014 by Threesixes (talk | contribs) (update info prepping to move to main article)
keys
Passwordless Authentication
Client
on your client run
root # ssh-keygen -t rsa
Dialogs will be presented, you can press enter several times to accept defaults.
~/.ssh/id_rsa.pub will be generated. Copy or append the contents of this file to the servers ~/.ssh/authorized_keys
Server
Create a user, or select which user the client will be accessing the server as, then place clients id_rsa.pub file into the users ~/.ssh/authorized_keys
Single Machine Testing
root # ssh-keygen -t rsa
Press enter several times to accept default settings.
root # cp ~/.ssh/id_rsa.pub ~/.ssh/authorized_keys
root # ssh localhost
Intrusion Prevention
ssh is a commonly attacked service. app-admin/sshguard monitors logs, and black list remote users who have repeatedly failed to login.