This is a quick guide for people that do not know you can also transfer files over SSH connection to/from a server with SFTP. SFTP is a protocol that works over SSH/Secure Shell connections. I am using Windows 10 locally and want to transfer files to/from my Linux servers.
Here is a quick guide to show you how to add two-factor auth login protection to WordPress with YubiCo hardware YubiKeys and or 2FA authenticator app
Using the Yubico YubiKey NEO hardware-based two-factor authentication device to improve authentication and logins to OSX and software