Dividing ftp from shell?
We made this decision because ftp is fare more harmless then shell and requires much more knowledge and experience to turn it into attack. From other side with open ftp, mail, POP3, IMAP access most of the users could continue to use polarhome.com . They indeed, have been forced to change their mail reading or file editing habits, but they still could continue to use earlier services without interruption, including database administration etc. Account creation should be slowed down. In “free shell” period everybody could make a shell account in about 3 minutes. Request from the web, wait 3 minutes, log in into your new shell account. It was very popular method, that users liked very much. BUT as a non commercial service provider, all system administrators (in that time just amec and taken ) worked as a kind volunteers… and sometimes it took few days to cover up some malicious activity against remote hosts. So, 3 minutes to create an account and few days to delete it… resulted that