41.3. Limiting Who Can Log In

In its normal configuration, WU-FTPD will allow any UNIX user to log in with the exception of system accounts such as root, bin, and daemon. The root user is almost always denied by default because the FTP protocol does not encrypt passwords as they are sent over the network, which means that a remote login as root could expose its password to attackers.

To change the users and groups who can log in to your system, follow these steps:

1.
On the module's main page, click on the Users and Classes icon to bring up the form shown in Figure 41.2.
Figure 41.2. The users and classes page.

2.
Add to the Unix users to deny ...

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.