When you delete a host key and recreate a new one, SSH client sessions will warn
you that the host key has changed for this particular IP address. You must then
take one of the following actions:
Please consult your specific SSH client's software's documentation.
Public Keys: Viewing, Editing, Loading
The authorized_keys file can be viewed and edited, so as to enable adding and
deleting Public Keys. The user may also retrieve the authorized_keys file from
the .ssh directory Using FTP, SCP, or SFTP.
If you want to completely control the public keys used for authentication, a cor-
rectly formatted authorized_keys file formatted as indicated in the OpenSSH
web site can be loaded onto VersaSync. You can transfer a new public key file
using the Web UI.
To view and edit the authorized_keys file:
CHAPTER
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VersaSync User Manual Rev. 12
Note:
If a key size is undefined, the default key bit length size
used is 2048. A key with a zero length or blank key size field
will not be created.
1. Override the warning and accept the new Public Host Key and start a new
connection. This is the default. This option allows users to login using either
method. Whichever mode works is allowed for logging in. If the Public Key
is not correct or the Passphrase is not valid the user is then prompted for
the login account password.
2. Remove the old Host Public Key from their client system and accept the
new Host Public Key. This option simply skips public/private key authen-
tication and immediately prompts the user for password over a secure
encrypted session avoiding sending passwords in the clear.
3. Load a public key into VersaSync. This public key must match the private
key found in the users account and be accessible to the SSH, SCP, or SFTP
client program. The user must then enter the Passphrase after authen-
tication of the keys to provide the second factor for 2-factor authen-
tication.
1. Navigate to
MANAGEMENT > NETWORK: SSH
dow will open to the
2. Select the
Public Key
Keys File
window:
Host Keys
tab by default.
tab. The authorized_keys file appears in the
2.8 Configuring Network Settings
Setup. The
SSH Setup
win-
Public
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