Related web sites
Other software from Codeorigin, the developers of FTPShell:
- QuerySolv help desk software – a self-hosted ticketing system for IT and customer support that runs as a single Windows service with a one-time license.
- SysPeep network monitoring for Windows – SNMP, WMI, NetFlow and syslog monitoring with per-device licensing, unlimited sensors and a free edition for up to 5 devices.
Standards and references behind FTP, SFTP and FTPS:
- IETF – publishes the FTP specifications; the four that matter are reproduced under the Technical Guide.
- RFC 4217 – securing FTP with TLS, the basis of FTPS.
- RFC 4253 – the SSH transport layer that SFTP runs over.
- IANA port registry – the official assignments for ports 20, 21, 22 and 990.