Documentation

Every page is also Markdown at the same path with .md, and /llms-full.txt has all of them in one file.

Start

• Quickstart: a config, a first user, and FTP, FTPS, and SFTP transfers on unprivileged ports.
• Configuration: how the file is loaded, every section and key with its default, and SIFTP_* overrides.

Reference

• Protocols: FTP and FTPS commands, SFTP requests and extensions, SSH algorithms, WebDAV methods.
• Storage: local roots and S3 roots.
• Users and access: permission bits, groups, directory rules, SSH key options, password rotation, bans, LDAP.
• Error codes: the ten codes and how each protocol shows them.
• Specification: the normative SPEC.md.

Operate

• Operations: install, reload and drain, health checks, metrics, logs, the audit log, backups, upgrades.
• Performance: data paths, settings, and a benchmark against vsftpd, ProFTPD, and OpenSSH.
• Security: controls, admin API deployment, dependency policy, reporting a vulnerability.

Agents

• Agents and MCP: the boot sequence, error handling, admin routes, and MCP tools.
• /llms.txt and /versions.json: entry points for tools. Documentation for an exact release is under /v/<version>/.