ProFTPD

proftpd.org · checked 11 Oct 2026

#13 · FTP Server Software

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How it plugs in

—Public API

NoOpen source

YesFree tier

Signal on FTP Server Software6.3#13 of 33

ProFTPD is highly configurable GPL-licensed FTP server software.

Pricing

ProFTPDGPL-licensed FTP server softwareFree

As mirror.facebook.net lists them, checked 11 Oct 2026.

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Facts

Website: proftpd.org
Price: Free tier
Free trial: No
Access controls: Directory and file visibility can be controlled by Unix-style permissions or user and group ownership.
Authentication: The README lists PAM, LDAP, SQL, and RADIUS among its supported authentication methods, as well as virtual users and multiple password files.
Configuration: Its main configuration uses directives and directive groups patterned after Apache’s, and it supports per-directory .ftpaccess configuration.
Extensibility: ProFTPD has a modular architecture with an API for extensions.
FTPS: The mod_tls module implements FTP over SSL/TLS as defined in RFC 4217.
License: The source code is licensed under GPLv2 and is available to audit.
Operating modes: It is designed to run as a standalone server or from inetd/xinetd.
Platform scope: The source README describes ProFTPD as a daemon for Unix and Unix-like operating systems.
Privilege handling: Where the host system supports it, ProFTPD can run as a non-privileged user in standalone mode.
Privilege reduction: Where host system capabilities allow, it can run as a non-privileged user in standalone mode.
Release availability: The project home page lists maintenance release 1.3.9d and candidate release 1.3.10rc4.
Release downloads: The project home page links to PGP public keys, SHA256 checksums and PGP signatures, and a Git repository under Downloads.

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