From mboxrd@z Thu Jan 1 00:00:00 1970 From: Trevor Vaughan Subject: Re: Question - Rule Syntax Date: Thu, 29 Dec 2011 09:10:24 -0500 Message-ID: <4EFC74D0.1000609@gmail.com> References: <4EF39EE6.3020808@builtbygeek.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mx1.redhat.com (ext-mx14.extmail.prod.ext.phx2.redhat.com [10.5.110.19]) by int-mx02.intmail.prod.int.phx2.redhat.com (8.13.8/8.13.8) with ESMTP id pBTEAPqw010355 for ; Thu, 29 Dec 2011 09:10:25 -0500 Received: from mail-qw0-f53.google.com (mail-qw0-f53.google.com [209.85.216.53]) by mx1.redhat.com (8.14.4/8.14.4) with ESMTP id pBTEAO5A022957 for ; Thu, 29 Dec 2011 09:10:24 -0500 Received: by qadb15 with SMTP id b15so8688578qad.12 for ; Thu, 29 Dec 2011 06:10:24 -0800 (PST) In-Reply-To: <4EF39EE6.3020808@builtbygeek.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-audit-bounces@redhat.com Errors-To: linux-audit-bounces@redhat.com To: Bryan Jacobs Cc: linux-audit@redhat.com List-Id: linux-audit@redhat.com -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 I'm hoping to be told otherwise, but the cleanest and most maintainable way that I've seen to do this is to make two rules. First Rule: Ignore user 505 Second Rule: Audit everyone Auditd should stop at the first rule matched. It does add more rules but seems to be the most stable across auditd versions. Also, that auid!=42... should probably be near the top of your rules since it will get hit the most and I'm assuming that you don't ever want to audit anonymous accesses to most items. Trevor On 12/22/2011 04:19 PM, Bryan Jacobs wrote: > All, > > New auditd list member here. I just started playing around with auditd. I was wondering if someone might be kind enough to answer a question I have. > I am attempting to create a rule that will audit privileged commands for UID's greater than 500 but ignore one particular user that falls under this > rule. The user I am trying to ignore is the only user that should be touching the file. > > Below is the rule. > > #### BEGIN RULE SNIP #### > > ## Ensure auditd Collects Information on the Use of Privileged Commands > > -a always,exit -F path=/opt/varonis1.6.0106/bin/ls -F perm=x -F > auid>=500 -F auid!=4294967295 -F auid!=505 -k privileged > > #### END RULE SNIP #### > > Is the rule syntax above correct? If not how would I audit all users with UID above 500 but still ignore one particular user? > > > Thank you and happy holidays, > -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQEcBAEBAgAGBQJO/HTQAAoJECNCGV1OLcyphzYH/3CayBkrfX8CexuW8SMgCXLs z+3zwug1DMdz6l4mfrp60TfVGL8scteqOjgHP/1hDp+TNwP2YyXxqAeN+XOAePIU Gekd3QrOc4bCVhBuHF4719SWkEXQ4Gur1DYLAXO/J9p23dWlT4AE+ehAXonq/F40 quGWuIHCLui8KDvwigrYMr6qZeBbu47leTFvHUakqgDCUwXibR7vXUPHYPuO0A2V p8sHq535nGzLjB6XLk4PWhRVb/JhXBrCy9iA3ONM1ReT0JaEtB0Liukui6Wbq627 fh7/+kQFXRSB7QGHaFZr+FQp6LkwP+2iqC1JBnVc3/pm58q1DRh46e0m9jvPCDc= =xLIO -----END PGP SIGNATURE-----