I would like to turn off password authentication for SSH to my server, using keys instead. I don't see an option in Filezilla to use a public key though: is this not a feature of the SFTP spec?

Sftp doesn't use ssl certs like ftps (unless there is some proprietary addition to the sftp server)<BR><BR>Maybe you mean an ssh public key? WinSCP looks to support them as well as all the other ...

How To Use SCP (Secure Copy) With SSH Key Authentication Your email has been sent Here's how to use the secure copy command, in conjunction with ssh key authentication, for an even more secure means ...