| audit.4 (161875) | audit.4 (162871) |
|---|---|
| 1.\" Copyright (c) 2006 Robert N. M. Watson 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" | 1.\" Copyright (c) 2006 Robert N. M. Watson 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 8 unchanged lines hidden (view full) --- 17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23.\" SUCH DAMAGE. 24.\" |
| 25.\" $FreeBSD: head/share/man/man4/audit.4 161875 2006-09-02 11:55:38Z rwatson $ | 25.\" $FreeBSD: head/share/man/man4/audit.4 162871 2006-09-30 15:14:49Z ru $ |
| 26.\" 27.Dd May 5, 2006 28.Os 29.Dt AUDIT 4 30.Sh NAME 31.Nm audit 32.Nd Security Event Audit 33.Sh SYNOPSIS 34.Cd "options AUDIT" 35.Sh DESCRIPTION 36Security Event Audit is a facility to provide fine-grained, configurable 37logging of security-relevant events, and is intended to meet the requirements 38of the Common Criteria (CC) Common Access Protection Profile (CAPP) 39evaluation. 40The 41.Fx | 26.\" 27.Dd May 5, 2006 28.Os 29.Dt AUDIT 4 30.Sh NAME 31.Nm audit 32.Nd Security Event Audit 33.Sh SYNOPSIS 34.Cd "options AUDIT" 35.Sh DESCRIPTION 36Security Event Audit is a facility to provide fine-grained, configurable 37logging of security-relevant events, and is intended to meet the requirements 38of the Common Criteria (CC) Common Access Protection Profile (CAPP) 39evaluation. 40The 41.Fx |
| 42audit facility implements the de facto industry standard BSM API, file | 42.Nm 43facility implements the de facto industry standard BSM API, file |
| 43formats, and command line interface, first found in the Solaris operating 44system. 45Information on the user space implementation can be found in 46.Xr libbsm 3 . 47.Pp 48Audit support is enabled at boot, if present in the kernel, using an 49.Xr rc.conf 5 50flag. 51The audit daemon, 52.Xr auditd 8 , | 44formats, and command line interface, first found in the Solaris operating 45system. 46Information on the user space implementation can be found in 47.Xr libbsm 3 . 48.Pp 49Audit support is enabled at boot, if present in the kernel, using an 50.Xr rc.conf 5 51flag. 52The audit daemon, 53.Xr auditd 8 , |
| 53is responsible for configuring the kernel to perform audit, pushing | 54is responsible for configuring the kernel to perform 55.Nm , 56pushing |
| 54configuration data from the various audit configuration files into the 55kernel. 56.Ss Audit Special Device | 57configuration data from the various audit configuration files into the 58kernel. 59.Ss Audit Special Device |
| 57The kernel audit facility provides a special device, | 60The kernel 61.Nm 62facility provides a special device, |
| 58.Pa /dev/audit , 59which is used by 60.Xr auditd 8 | 63.Pa /dev/audit , 64which is used by 65.Xr auditd 8 |
| 61to monitor for audit events, such as requests to cycle the log, low disk | 66to monitor for 67.Nm 68events, such as requests to cycle the log, low disk |
| 62space conditions, and requests to terminate auditing. 63This device is not intended for use by applications. 64.Ss Audit Pipe Special Devices 65Audit pipe special devices, discussed in 66.Xr auditpipe 4 , 67provide a configurable live tracking mechanism to allow applications to 68tee the audit trail, as well as to configure custom preselection paramaters 69to track users and events in a fine-grained manner. --- 6 unchanged lines hidden (view full) --- 76.Xr getaudit 2 , 77.Xr getauid 2 , 78.Xr poll 2 , 79.Xr select 2 , 80.Xr setaudit 2 , 81.Xr setauid 2 , 82.Xr libbsm 3 , 83.Xr auditpipe 4 , | 69space conditions, and requests to terminate auditing. 70This device is not intended for use by applications. 71.Ss Audit Pipe Special Devices 72Audit pipe special devices, discussed in 73.Xr auditpipe 4 , 74provide a configurable live tracking mechanism to allow applications to 75tee the audit trail, as well as to configure custom preselection paramaters 76to track users and events in a fine-grained manner. --- 6 unchanged lines hidden (view full) --- 83.Xr getaudit 2 , 84.Xr getauid 2 , 85.Xr poll 2 , 86.Xr select 2 , 87.Xr setaudit 2 , 88.Xr setauid 2 , 89.Xr libbsm 3 , 90.Xr auditpipe 4 , |
| 84.Xr audit.log 5 , | |
| 85.Xr audit_class 5 , 86.Xr audit_control 5 , 87.Xr audit_event 5 , | 91.Xr audit_class 5 , 92.Xr audit_control 5 , 93.Xr audit_event 5 , |
| 94.Xr audit.log 5 , |
|
| 88.Xr audit_user 5 , 89.Xr audit_warn 5 , 90.Xr rc.conf 5 , 91.Xr audit 8 , 92.Xr auditd 8 | 95.Xr audit_user 5 , 96.Xr audit_warn 5 , 97.Xr rc.conf 5 , 98.Xr audit 8 , 99.Xr auditd 8 |
| 100.Sh HISTORY 101The 102.Tn OpenBSM 103implementation was created by McAfee Research, the security 104division of McAfee Inc., under contract to Apple Computer Inc.\& in 2004. 105It was subsequently adopted by the TrustedBSD Project as the foundation for 106the OpenBSM distribution. 107.Pp 108Support for kernel 109.Nm 110first appeared in 111.Fx 6.2 . |
|
| 93.Sh AUTHORS | 112.Sh AUTHORS |
| 113.An -nosplit |
|
| 94This software was created by McAfee Research, the security research division 95of McAfee, Inc., under contract to Apple Computer Inc. | 114This software was created by McAfee Research, the security research division 115of McAfee, Inc., under contract to Apple Computer Inc. |
| 96Additional authors include Wayne Salamon, Robert Watson, and SPARTA Inc. | 116Additional authors include 117.An Wayne Salamon , 118.An Robert Watson , 119and SPARTA Inc. |
| 97.Pp 98The Basic Security Module (BSM) interface to audit records and audit event 99stream format were defined by Sun Microsystems. 100.Pp 101This manual page was written by 102.An Robert Watson Aq rwatson@FreeBSD.org . | 120.Pp 121The Basic Security Module (BSM) interface to audit records and audit event 122stream format were defined by Sun Microsystems. 123.Pp 124This manual page was written by 125.An Robert Watson Aq rwatson@FreeBSD.org . |
| 103.Sh HISTORY 104The OpenBSM implementation was created by McAfee Research, the security 105division of McAfee Inc., under contract to Apple Computer Inc. in 2004. 106It was subsequently adopted by the TrustedBSD Project as the foundation for 107the OpenBSM distribution. 108.Pp 109Support for kernel audit first appeared in 110.Fx 6.2 . | |
| 111.Sh BUGS | 126.Sh BUGS |
| 112The audit facility in | 127The 128.Nm 129facility in |
| 113.Fx 114is considered experimental, and production deployment should occur only after 115careful consideration of the risks of deploying experimental software. 116.Pp 117The 118.Fx 119kernel does not fully validate that audit records submitted by user 120applications are syntactically valid BSM; as submission of records is limited 121to privileged processes, this is not a critical bug. 122.Pp 123Instrumentation of auditable events in the kernel is not complete, as some 124system calls do not generate audit records, or generate audit records with 125incomplete argument information. 126.Pp 127Mandatory Access Control (MAC) labels, as provided by the 128.Xr mac 4 129facility, are not audited as part of records involving MAC decisions. | 130.Fx 131is considered experimental, and production deployment should occur only after 132careful consideration of the risks of deploying experimental software. 133.Pp 134The 135.Fx 136kernel does not fully validate that audit records submitted by user 137applications are syntactically valid BSM; as submission of records is limited 138to privileged processes, this is not a critical bug. 139.Pp 140Instrumentation of auditable events in the kernel is not complete, as some 141system calls do not generate audit records, or generate audit records with 142incomplete argument information. 143.Pp 144Mandatory Access Control (MAC) labels, as provided by the 145.Xr mac 4 146facility, are not audited as part of records involving MAC decisions. |