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Passwordless ssh login

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PSchellenbach View Drop Down
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    Posted: April 13 2021 at 3:48pm
Sometimes it is desired to have automatically log in a user when they open an AccuTerm session. This is possible using secure shell connections with public/private keys. The steps to do this are:

  • Create a new session (you can also modify an existing session file).
  • Select "secure shell" as the connection type.
  • In the connection settings, prepend the user name to the host name or host IP with an @. For example: joe@192.168.1.3
  • Select "public key" as the authentication method.
  • Create a key pair for the user. Do not use a password for the private key (you will receive a warning).
  • Save the public key on the host in the users ~/.ssh/authorized_keys file
Now when the user opens this session, AccuTerm will log the user in using the user name supplied in the host field, and authenticate the user using his private key.

There are security implications here, so beware. Anyone acquiring a copy of the user's private key will be able to log in to the server as that user without a password. AccuTerm normally stores private keys in the user's profile (C:\users\<username>\AppData\) directory, so if you trust Windows to provide secure access to this directory, the key should be adequately protected.



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