mailer(8) | John | mailer(8) |
NAME¶
Mailer - notify users about crackable passwords
SYNOPSIS¶
mailer <password-file>
DESCRIPTION¶
mailer is a script to send mail to all users whose passwords got cracked. This is not always a good idea, though, since lots of people do not check their e-mail or ignore such messages, and the messages can be a hint for crackers.
You should probably deploy proactive password strength checking, such as with passwdqc, before you ask users to change their passwords - whether using this script or otherwise. And you should edit the message inside the script before possibly using it.
Copyright (c) 1996-98 by Solar Designer # Redistribution and use in source
and binary forms, with or without # modification, are permitted. # There's
ABSOLUTELY NO WARRANTY, express or implied. # (This is a heavily cut-down
"BSD license".) #
OPTIONS¶
- password-file
- The file containing all the passwords (for example /etc/shadow on modern Linux systems.
FILES¶
- /usr/sbin/mailer
AUTHOR¶
John the Ripper password cracker is free and Open Source software. Copyright (c) 1996-98 by Solar Designer.
This manual page was written by Lars Vogdt for the openSUSE operating system (but it may be freely used, modified, and redistributed by others).
October 2013 | Lars Vogdt |