Sorry, which Linux distribution are you using ? It looks like more a support request than a bug. Check your logs and see error messages from proftpd.
** Changed in: proftpd-dfsg (Ubuntu) Status: Unconfirmed => Needs Info -- Fail in Start/stop proftpd Service https://launchpad.net/bugs/91856 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs