Is it okay to use a SSH key with an empty passphrase?

Posted by mozillalives on Server Fault See other posts from Server Fault or by mozillalives
Published on 2010-05-18T13:01:35Z Indexed on 2010/05/18 13:11 UTC
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When I first learned how to make ssh keys, the tutorials I read all stated that a good passphrase should be chosen. But recently, when setting up a daemon process that needs to ssh to another machine, I discovered that the only way (it seems) to have a key that I don't need to auth at every boot is to create a key with an empty passphrase. So my question is, what are the concerns with using a key with no passphrase?

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