SSH Error:Too many authentication failures

    SSH returns “too many authentication failures” error when you try to login remote linux host. This is a very common problem when you have many linux hosts and clients.

    Error Detailed

    I attempted to connect, e.g.:

    ssh -p 10000

    I was receiving the following error:

    Received disconnect from 2: Too many authentication failures for username

    ssh-config: IdentitiesOnly

    Specifies that ssh(1) should only use the authentication identity files configured in the ssh_config files, even if ssh-agent(1) offers more identities. The argument to this keyword must be “yes” or “no”. This option is intended for situations where ssh-agent offers many different identities. The default is “no”.


    Running the same ssh command and, in addition, specifying IdentitiesOnly=yes:

    ssh -p 10000 -o IdentitiesOnly=yes

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