There are four RFCs that define the core SSH protocol (4251-4254), and RFC 4716 defines the SSH PKI key file format. The SFTP file transfer protocol itself is still an IETF draft.

Our FTP server had been configured to let anonymous users create their own directories, with no limits on the size of uploaded files. Simple upload quotas and directory permissions would have ...

Public key authentication with SSH is possible with WinSCP, but it requires some work to set up. Chad Perrin details the steps. WinSCP is an open source tool for Windows that allows files to be ...

A free download is available. Progress WS_FTP Pro: A feature-rich commercial SFTP client for Windows, offering secure file transfer, encryption, scripting, and integration with cloud storage services.

Windows/Mac/Linux (All platforms): Formerly Windows-only free, open source FTP client FileZilla upgrades to version 3.0, adding cross-platform suppo ...