Auditing device files

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07-26-2016

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Auditing device files

I am trying to see what commands are typed in my terminal and serial port. For that I am using auditd daemon which helps me in auditing files.
I thought of a creating audit rules on /dev/tty and /dev/ttyAMA0 for seeing whats happening on terminal and serial device respectively.

Code:

   
auditctl -w /dev/tty -p rwx -k terminal

Code:

auditctl -w /dev/ttyAMA0 -p rwx -k serialport

But this records only the echo on tty. I cant audit all the commands typed on the terminal. I enabled tty logging in the PAM file too by adding

Code:

session required pam_tty_audit.so enable=*

in /etc/pam.d/sshd file.
Is there any other way to do this auditing. I want to use auditd daemon only so that all my auditing log is in one file.

pavithra04

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LEARN ABOUT V7

auditd

auditd(1M)						  System Administration Commands						auditd(1M)

NAME

       auditd - audit daemon

SYNOPSIS

       /usr/sbin/auditd

DESCRIPTION

       The audit daemon, auditd, controls the generation and location of audit trail files and the generation of syslog messages based on the def-
       initions in audit_control(4). If auditing is enabled, auditd reads the audit_control(4) file to do the following:

	 o  reads the path to a library module for realtime conversion of audit data into syslog messages;

	 o  reads other parameters specific to the selected plugin or plugins;

	 o  obtains a list of directories into which audit files can be written;

	 o  obtains the percentage limit for how much space to reserve on each filesystem before changing to the next directory.

       audit(1M) is used to control auditd. It can cause auditd to:

	 o  close the current audit file and open a new one;

	 o  close the current audit file, re-read /etc/security/audit_control and open a new audit file;

	 o  close the audit trail and terminate auditing.

   Auditing Conditions
       The audit daemon invokes the program audit_warn(1M) under the following conditions with the indicated options:

       audit_warn soft pathname

	   The file system upon which pathname resides has exceeded the minimum free space limit defined in audit_control(4). A  new  audit  trail
	   has been opened on another file system.

       audit_warn allsoft

	   All available file systems have been filled beyond the minimum free space limit. A new audit trail has been opened anyway.

       audit_warn hard pathname

	   The	file  system  upon  which  pathname resides has filled or for some reason become unavailable. A new audit trail has been opened on
	   another file system.

       audit_warn allhard count

	   All available file systems have been filled or for some reason become unavailable. The audit daemon will repeat this call to audit_warn
	   every  twenty  seconds  until  space  becomes available. count is the number of times that audit_warn has been called since the problem
	   arose.

       audit_warn ebusy

	   There is already an audit daemon running.

       audit_warn tmpfile

	   The file /etc/security/audit/audit_tmp exists, indicating a fatal error.

       audit_warn nostart

	   The internal system audit condition is AUC_FCHDONE. Auditing cannot be started without rebooting the system.

       audit_warn auditoff

	   The internal system audit condition has been changed to not be AUC_AUDITING by someone other than the audit	daemon.  This  causes  the
	   audit daemon to exit.

       audit_warn postsigterm

	   An error occurred during the orderly shutdown of the auditing system.

       audit_warn getacdir

	   There is a problem getting the directory list from /etc/security/audit/audit_control.

	   The audit daemon will hang in a sleep loop until this file is fixed.

FILES

       /etc/security/audit/audit_control

       /etc/security/audit/audit_data

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+
       |Interface Stability	     |Evolving			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       audit(1M), audit_warn(1M), bsmconv(1M), praudit(1M), auditon(2), auditsvc(2), audit.log(4), audit_control(4), audit_data(4), attributes(5)

NOTES

       The  functionality  described  in  this man page is available only if the Basic Security Module (BSM) has been enabled. See bsmconv(1M) for
       more information.

       auditd is loaded in the global zone at boot time if auditing is enabled. See bsmconv(1M).

       If the audit policy perzone is set, auditd runs in each zone, starting automatically when the local zone boots. If a zone is  running  when
       the  perzone policy is set, auditing must be started manually in local zones. It is not necessary to reboot the system or the local zone to
       start auditing in a local zone. auditd can be started with "/usr/sbin/audit -s" and will start automatically with future boots of the zone.

       When auditd runs in a local zone, the configuration is  taken  from  the  local	zone's	/etc/security  directory's  files:  audit_control,
       audit_class, audit_user, audit_startup, and audit_event.

SunOS 5.10							    26 May 2004 							auditd(1M)

Red Hat