: Set an auto-ban for multiple failed login attempts to prevent brute-force attacks. Top Free FTP Server Alternatives How to Create an FTP Server On Your Home Computer - No-IP
: The multi-threaded engine holds up well. Even with 20 concurrent users doing mixed upload/download, the server remained responsive. The only limitation is the lack of native SFTP—if you need that, consider using stunnel as a wrapper or upgrading. optimax ftp server free
Works seamlessly across Windows, Linux, and macOS environments. : Set an auto-ban for multiple failed login