Setting Up Anonymous FTP

As you've seen, setting up the FTP server to allow real users to have FTP access is not difficult. Unfortunately, it suffers from the basic design vulnerability of transmitting the user's information in clear text. In some instances, you can reduce this risk by setting up an anonymous FTP server instead.

Anonymous FTP servers allow users to connect, upload, and (potentially) download files without the use of a real-user user ID and password. Of course, this brings the risk that you will not know who is logging in to your system via the anonymous FTP service, and preventing unauthorized users from accessing the system is difficult if everyone is known only as “anonymous.” But if anonymous users can't do anything damaging ...

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