40.12. Restricting Access to FTP Commands
When a client wants to download or upload a file, list a directory, or perform any other operation, it sends a command to the server. ProFTPD can be configured to restrict which commands a client can use for a particular virtual server or directory, or when logged in anonymously. However, before you can do this, you need to have a basic understanding of which FTP commands exist and what they do. Table 40.2 lists the ones that are relevant for access control purposes.
ProFTPD allows you to define options that only apply to particular client commands or groups of commands. Typically, this is used to deny access to certain operations, such as uploading by anonymous FTP users. It is also possible to allow ...
Get Managing Linux® Systems with Webmin™ System Administration and Module Development now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.
