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PAM_TTY_AUDIT(8)                         Linux-PAM Manual                        PAM_TTY_AUDIT(8)

NAME
       pam_tty_audit - Enable or disable TTY auditing for specified users

SYNOPSIS
       pam_tty_audit.so [disable=patterns] [enable=patterns]

DESCRIPTION
       The pam_tty_audit PAM module is used to enable or disable TTY auditing. By default, the
       kernel does not audit input on any TTY.

OPTIONS
       disable=patterns
           For each user matching one of comma-separated glob patterns, disable TTY auditing.
           This overrides any previous enable option matching the same user name on the command
           line.

       enable=patterns
           For each user matching one of comma-separated glob patterns, enable TTY auditing. This
           overrides any previous disable option matching the same user name on the command line.

       open_only
           Set the TTY audit flag when opening the session, but do not restore it when closing
           the session. Using this option is necessary for some services that don't fork() to run
           the authenticated session, such as sudo.

       log_passwd
           Log keystrokes when ECHO mode is off but ICANON mode is active. This is the mode in
           which the tty is placed during password entry. By default, passwords are not logged.
           This option may not be available on older kernels (3.9?).

MODULE TYPES PROVIDED
       Only the session type is supported.

RETURN VALUES
       PAM_SESSION_ERR
           Error reading or modifying the TTY audit flag. See the system log for more details.

       PAM_SUCCESS
           Success.

NOTES
       When TTY auditing is enabled, it is inherited by all processes started by that user. In
       particular, daemons restarted by an user will still have TTY auditing enabled, and audit
       TTY input even by other users unless auditing for these users is explicitly disabled.
       Therefore, it is recommended to use disable=* as the first option for most daemons using
       PAM.

       To view the data that was logged by the kernel to audit use the command aureport --tty.

EXAMPLES
       Audit all administrative actions.

           session   required pam_tty_audit.so disable=* enable=root

SEE ALSO
       aureport(8), pam.conf(5), pam.d(5), pam(8)

AUTHOR
       pam_tty_audit was written by Miloslav Trma─Ź . The log_passwd option was
       added by Richard Guy Briggs .

Linux-PAM Manual                            09/04/2013                           PAM_TTY_AUDIT(8)

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