vsftpd-server
vsftpd (Very Secure FTP Daemon) is an FTP server for hosting file transfers over the network, typically on Linux systems. It supports user authentication, chroot/jails, and common FTP features, with optional TLS/SSL for FTPS.
Score Breakdown
⚙ Agent Friendliness
🔒 Security
vsftpd can provide TLS via FTPS, but security is highly dependent on correct configuration (enable TLS, disable weak modes, restrict users/directories, use chroot where appropriate). FTP user credentials are sent over the protocol unless protected by TLS. Fine-grained authorization/scopes are typically filesystem- and config-driven rather than token-based. As a widely used daemon, it has a security track record, but the actual dependency/vulnerability hygiene cannot be verified from the provided data.
⚡ Reliability
Best When
You control the network environment (firewalls/VPN), need FTP/FTPS compatibility, and will harden vsftpd (TLS enabled, least-privilege users, restricted filesystem access).
Avoid When
You need robust security guarantees for untrusted internet clients or you can use SFTP/HTTPS with better operational and security properties.
Use Cases
- • Self-hosted FTP/FTPS file transfer for legacy clients
- • Inbound/outbound file drop for internal teams or automations
- • Serving public or semi-public directories with controlled access
- • Migration/compatibility for systems that still require FTP
Not For
- • Internet-facing FTP without strong TLS and hardened configuration
- • Modern application-to-application file transfer that can use SFTP/HTTPS instead
- • Use cases requiring fine-grained API-level access controls and audit-friendly webhooks
Interface
Authentication
Authentication is configuration-driven (system/PAM/virtual users), not API-token based. Authorization/scoping is typically handled via filesystem permissions and vsftpd configuration rather than OAuth-like scopes.
Pricing
Open-source software; operational costs come from hosting and security hardening.
Agent Metadata
Known Gotchas
- ⚠ No programmatic API surface for AI agents; interaction is via network protocols (FTP/FTPS).
- ⚠ FTP semantics are not REST/HTTP-like; retries and idempotency depend on transfer commands and server settings.
- ⚠ Security posture depends heavily on configuration (TLS, chroot/jails, allowed users, passive mode firewall rules).
Alternatives
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Scores are editorial opinions as of 2026-04-04.