21.2.3.2. Online Documentation

About vsftpd and FTP in General
Red Hat Enterprise Linux Documentation
  • Red Hat Enterprise Linux 6 Security-Enhanced Linux — The Security-Enhanced Linux for Red Hat Enterprise Linux 6 describes the basic principles of SELinux and documents in detail how to configure and use SELinux with various services such as the Apache HTTP Server, Postfix, PostgreSQL, or OpenShift. It explains how to configure SELinux access permissions for system services managed by systemd.
  • Red Hat Enterprise Linux 6 Security Guide — The Security Guide for Red Hat Enterprise Linux 6 assists users and administrators in learning the processes and practices of securing their workstations and servers against local and remote intrusion, exploitation, and malicious activity. It also explains how to secure critical system services.
Relevant RFC Documents
  • RFC 0959 — The original Request for Comments (RFC) of the FTP protocol from the IETF.
  • RFC 1123 — The small FTP-related section extends and clarifies RFC 0959.
  • RFC 2228FTP security extensions. vsftpd implements the small subset needed to support TLS and SSL connections.
  • RFC 2389 — Proposes FEAT and OPTS commands.
  • RFC 2428IPv6 support.