> > You can tell proftpd to allow logins without a valid shell. It can also > > set a default root directory for users so they can't see anything above > > that point. > > Is this what is called "chroot"?
it's technically not a chroot jail since in a chroot jail even the daemon can't get outside the jail so you have to make copies of all libraries/ binaries etc that the user will need while in the jail. that being said though, yes, it's basically a chroot jail. adam.