Open the FreeFTP and click on the 'Servers' button in the top left corner. When the popup opens showing your servers, pick the one you want, or enter the credentials for a new server. Then look at the botton right of the pop-up just above the 'Cancel' button. You should see a gray colored text 'more options'. Click this and you'll see where you can choose your FTP protocol. Change this to SFTP over SSH. Hopes this helps..
Thank you for your answer. If followed your instructions but it seems to me that it is for ssh with password authentication as it even doesn't ask for my ssh key. And the server (as password authentication is not allowed on server side) refuses the connection. Where can I set the location of my ssh key and it's password for SSH authentication?
When you attempt to login on your server it will handle and prompt you for everything. Direct FTP (free or paid) will then store your key. You will not have to enter it manually into the program.
For SSH key authentication to happen the client have to have the ssh key with what it can authenticate itself. In other FTP programs (e.g.: FileZilla, CoreFTP, etc) what are capable of SSH key authentication you have to give the location of your key file and your password for the key. So my suspicion is that FreeFTP is not able to handle SHH key authentication. It can handle sFTP with password authentication but can't with key authentication. Am I correct?
In case of SSH key authentication you also have to have your own SSH key stored. If you want that SHH key also can have a password for increased security. During the authentication process this key is used instead of the plain password. It is almost unbreakable as finding out the key with try and err methode is impossible.
Many of the widely used sFTP clients know this authentication method and has the settings for that. FreeFTP has a lots of useful features and because of that it would be suitable for me to use for my FTP needs. But as it can't handle ssh Key authentication, I can't use it. It won't be a wise policy on my side to loosen my servers security to be able to use FreeFTP.
I would like to know for sure....
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