unix_chkpwd(8) - phpMan
UNIX_CHKPWD(8) Linux-PAM Manual UNIX_CHKPWD(8)
NAME
unix_chkpwd - Helper binary that verifies the password of the current user
SYNOPSIS
unix_chkpwd [...]
DESCRIPTION
unix_chkpwd is a helper program for the pam_unix module that verifies the password of the
current user. It also checks password and account expiration dates in shadow. It is not
intended to be run directly from the command line and logs a security violation if done
so.
It is typically installed setuid root or setgid shadow.
The interface of the helper - command line options, and input/output data format are
internal to the pam_unix module and it should not be called directly from applications.
SEE ALSO
pam_unix(8)
AUTHOR
Written by Andrew Morgan and other various people.
Linux-PAM Manual 09/19/2013 UNIX_CHKPWD(8)
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