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Add audit.4 man page, providing basic documentation for configuring the

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kernel audit facility, warnings about the experimental nature of this
implementation, and pointers at a large number of other audit related
man pages.

Obtained from:	TrustedBSD Project
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rwatson 2006-02-02 10:32:27 +00:00
parent eb02f34f2c
commit 53c68f87c6
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share/man/man4/Makefile
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@ -27,6 +27,7 @@ MAN= aac.4 \
ath_hal.4 \
atkbd.4 \
atkbdc.4 \
audit.4 \
aue.4 \
awi.4 \
axe.4 \

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share/man/man4/audit.4 Normal file
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.\" Copyright (c) 2006 Robert N. M. Watson
.\" All rights reserved.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\" notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\" notice, this list of conditions and the following disclaimer in the
.\" documentation and/or other materials provided with the distribution.
.\"
.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
.\" SUCH DAMAGE.
.\"
.\" $FreeBSD$
.\"
.Dd February 2, 2006
.Os
.Dt AUDIT 4
.Sh NAME
.Nm audit
.Nd Security Event Audit
.Sh SYNOPSIS
.Cd "options AUDIT"
.Sh DESCRIPTION
Security Event Audit is a facility to provide fine-grained, configurable
logging of security-relevant events, and is intended to meet the requirements
of the Common Criteria (CC) Common Access Protection Profile (CAPP)
evaluation.
The
.Fx
audit facility implements the de facto industry standard BSM API, file
formats, and command line interface, first found in the Solaris operating
system.
Information on the user space implementation can be found in
.Xr libbsm 3
man page.
.Pp
Audit support is enabled at boot, if present in the kernel, using an
.Xr rc.conf 5
flag.
The audit daemon,
.Xr auditd 8 ,
is responsible for configuring the kernel to perform audit, pushing
configuration data from the various audit configuration files into the
kernel.
.Sh SEE ALSO
.Xr auditreduce 1 ,
.Xr praudit 1 ,
.Xr audit 2 ,
.Xr auditctl 2 ,
.Xr auditon 2 ,
.Xr getaudit 2 ,
.Xr getauid 2 ,
.Xr setaudit 2 ,
.Xr setauid 2 ,
.Xr libbsm 3 ,
.Xr audit.log 5 ,
.Xr audit_class 5 ,
.Xr audit_control 5 ,
.Xr audit_event 5 ,
.Xr audit_user 5 ,
.Xr audit_warn 5 ,
.Xr event_code 5 ,
.Xr rc.conf 5 ,
.Xr audit 8 ,
.Xr auditd 8
.Sh AUTHORS
This software was created by McAfee Research, the security research division
of McAfee, Inc., under contract to Apple Computer Inc.
Additional authors include Wayne Salamon, Robert Watson, and SPARTA Inc.
.Pp
The Basic Security Module (BSM) interface to audit records and audit event
stream format were defined by Sun Microsystems.
.Pp
This manual page was written by
.An Robert Watson Aq rwatson@FreeBSD.org .
.Sh HISTORY
The OpenBSM implementation was created by McAfee Research, the security
division of McAfee Inc., under contract to Apple Computer Inc. in 2004.
It was subsequently adopted by the TrustedBSD Project as the foundation for
the OpenBSM distribution.
.Pp
Support for kernel audit first appeared in
.Fx 6.1 .
.Sh BUGS
The audit facility in
.Fx
is considered experimental, and production deployment should occur only after
careful consideration of the risks of deploying experimental software.
.Pp
The
.Fx
kernel does not fully validate that audit records submitted by user
applications are syntactically valid BSM; as submission of records is limited
to privileged processes, this is not a critical bug.
.Pp
Instrumentation of auditable events in the kernel is not complete, as some
system calls do not generate audit records, or generate audit records with
incomplete argument information.
.Pp
Mandatory Access Control (MAC) labels, as provided by the
.Xr mac 4
facility, are not audited as part of records involving MAC decisions.