Monday, August 13, 2012

Openindiana: Too many authentication failures

From an Openindiana host, and connecting to some Linux hosts, often I receive this error from the ssh client

Received disconnect from 2: Too many authentication failures for yourfuckingusername

The fact is that ssh try to first authenticate using keys, and if you have many keys he tries every one of them, so... maybe the server or the Openindiana (I've never seen this problem on Mac OS X, in example) ssh command exit after two or three failed keys authentication.

The solution is to use PubkeyAuthentication options in the ssh command

ssh -oPubkeyAuthentication=no

Or to edit ~/.ssh/conf file


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