This happend on Ubuntu Server x64 12.04 after i upgraded from 11.10 last week. No FTP user could log in any more.
/var/log/auth.log showed: May 8 10:37:59 bcweb1 vsftpd: PAM unable to dlopen(pam_shells.so): /lib/security/pam_shells.so: cannot open shared object file: No such file or directory May 8 10:37:59 bcweb1 vsftpd: PAM adding faulty module: pam_shells.so May 8 10:37:59 bcweb1 vsftpd: pam_unix(vsftpd:auth): check pass; user unknown May 8 10:37:59 bcweb1 vsftpd: pam_unix(vsftpd:auth): authentication failure; logname= uid=0 euid=0 tty=ftp ruser=weerstation rhost=172.23.0.16 May 8 10:37:59 bcweb1 vsftpd: pam_winbind(vsftpd:auth): getting password (0x00000388) May 8 10:37:59 bcweb1 vsftpd: pam_winbind(vsftpd:auth): pam_get_item returned a password Now solved by the steps # apt-get remove vsftpd # rm /etc/pam.d/vsftpd # apt-get install vsftpd -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/869684 Title: 530 login incorrect error after upgrade to Oneiric To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/vsftpd/+bug/869684/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs