On Tue, 22 Mar 2005, Igor Gueths wrote: > There are several ways of doing so. One of which I can think of, is to > change that account's shell to /bin/false in /etc/passwd. The only > problem with doing this is that some Ftp daemons require that the > account have a valid shell. You can put /bin/false in the file /etc/shells, and that will make the FTP daemon consider it valid. The drawback to this is, now a user could change their shell to /bin/false, and then they wouldn't be able to log in.
