Is it possible to setup a writeonly ftp?

I'd like to setup an ftp such that my users (and some software I write) can upload documents, and have those documents saved on the server but I don't want to allow users to see the contents of the ftp folder - essentially the ftp looks empty at all times to the user.

Solution 1:

We've had a client using the scheduled sweep method for years without issues. I'd only see it potentially being a problem on a heavily used server with multiple people intentionally dropping files with the same name.

Regardless, here's an excellent step by step procedure for setting up a blind drop ftp site on Windows 2003 using IIS: http://www.iisanswers.com/Blind_drop_ftp.htm

Solution 2:

Sure, for example with ProFTPD you could use the following configuration:

<Directory /path/to/ftp>
    <Limit ALL>
      DenyAll
    </Limit>

    <Limit CDUP CWD XCWD XCUP>
      AllowAll
    </Limit>

    <Limit STOR STOU>
       AllowAll
    </Limit>
 </Directory>

With vsftpd you can set:

download_enable=NO
dirlist_enable=NO