Re: Suppress messages from /var/log/audit.log via audit.rules

Vipin Rathor
2011-09-29T14:54:25Z

>From the little knowledge that I have -
For excluding 'cwd' type messages, try this at the beginning of rule file:
-a exclude,always -F msgtype=CWD

For other messages, try 'exit=4294967294' in rules. Not sure if this
will solve it, but worth a try.

On Thu, Sep 29, 2011 at 8:01 PM, Worsham, Michael <mworsham@scires.com> wrote:
> Does anyone have an idea on how to suppress (exclude) these entries from
> showing up in the audit.log on a RHEL platform? I have tried the following
> to no success:
>
>
>
> type=CWD msg=audit(1316431049.130:131982948):  cwd="/"
>
> type=PATH msg=audit(1316431049.130:131982948): item=0
> name="/usr/lib/vmware-tools/lib64/libdnet.so.1/tls/x86_64/libc.so.6"
>
> type=SYSCALL msg=audit(1316431049.130:131982949): arch=c000003e syscall=2
> success=no exit=-2 a0=7fffacb237a0 a1=0 a2=2abb06288000 a3=6462696c2f343662
> items=1 ppid=3921 pid=3923 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0
> egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="sed" exe="/bin/sed"
> subj=system_u:system_r:initrc_t:s0 key=(null)
>
> type=CWD msg=audit(1316431049.130:131982949):  cwd="/"
>
> type=PATH msg=audit(1316431049.130:131982949): item=0
> name="/usr/lib/vmware-tools/lib64/libdnet.so.1/tls/libc.so.6"
>
> type=SYSCALL msg=audit(1316431049.130:131982950): arch=c000003e syscall=2
> success=no exit=-2 a0=7fffacb237a0 a1=0 a2=2abb06288000 a3=6462696c2f343662
> items=1 ppid=3921 pid=3923 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0
> egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="sed" exe="/bin/sed"
> subj=system_u:system_r:initrc_t:s0 key=(null)
>
> type=CWD msg=audit(1316431049.130:131982950):  cwd="/"
>
> type=PATH msg=audit(1316431049.130:131982950): item=0
> name="/usr/lib/vmware-tools/lib64/libdnet.so.1/x86_64/libc.so.6"
>
> type=SYSCALL msg=audit(1316431049.130:131982951): arch=c000003e syscall=2
> success=no exit=-2 a0=7fffacb237a0 a1=0 a2=2abb06288000 a3=6462696c2f343662
> items=1 ppid=3921 pid=3923 auid=4294967295 uid=0 gid=0 euid=0 suid=0 fsuid=0
> egid=0 sgid=0 fsgid=0 tty=(none) ses=4294967295 comm="sed" exe="/bin/sed"
> subj=system_u:system_r:initrc_t:s0 key=(null)
>
>
>
> Packages installed:
>
> redhat-release-5Server-5.7.0.3
> audit-1.7.18-2.el5
> selinux-policy-targeted-2.4.6-316.el5
>
>
>
> Current rules:
>
> ## Suppress all VMware Tools system calls
>
> -a exit,never -F arch=b32 -S fork -F success=0 -F path=/usr/lib/vmware-tools
> -F subj_type=initrc_t -F exit=-ENOENT
>
> -a exit,never -F arch=b64 -S fork -F success=0 -F path=/usr/lib/vmware-tools
> -F subj_type=initrc_t -F exit=-ENOENT
>
> -a exit,never -F arch=b32 -S fork -F success=0 -F path=/usr/lib/vmware-tools
> -F subj_type=initrc_t -F exit=-2
>
> -a exit,never -F arch=b64 -S fork -F success=0 -F path=/usr/lib/vmware-tools
> -F subj_type=initrc_t -F exit=-2
>
>
>
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--
-Rathor