mode = forward

Michael Mather michael.mather at teksavvy.com
Mon Jul 30 18:50:23 UTC 2012


Steve

I have upped the priority boost to 10 and the queue to 200
(in /etc/audisp/audispd.conf) and at first glance it runs fine.

I am also beginning to understand auditd a bit better.

Thanks for both.

Michael
-------

On Mon, 2012-07-30 at 10:24 -0400, Steve Grubb wrote:
> On Monday, July 30, 2012 10:00:53 AM Michael Mather wrote:
> > Yes, I discovered yesterday that store-and-forward ("mode=forward" in
> > audisp-remote.conf) was implemented in version 2.1, in March 2011.
> > Unfortunately, it is taking a while to be in Debian and Ubuntu.
> 
> And also backported to 1.8. However, 1.8 was the final release to that series 
> and I am only patching severe bugs in that series.
> 
>  
> > The older versions allow you to specify the queue length, but that would
> > appear to have no effect. It just seemed to be in the format of the
> > config file in anticipation of store-and-forward being available.
> > 
> > It is audispd that is complaining. Funny that it says "audispd: queue is
> > full - dropping event" when it is not using a queue.
> 
> There actually is a queue in audispd. Its memory resident and holds new events 
> while its feeding the current one to all the plugins. When this queue 
> overflows, the plugins are not working fast enough.
> 
> 
> > Anyway, I am left with several possibilities:
> > 
> > 1. Upgrade to a recent version (which?), even though the distribution
> > does not support it.
> 
> Open a support ticket then. The 1.8 version is compatible with the 1.7 series.
> 
>  
> > 2. Up the priority-boost in auditd.conf and/or audispd.conf.
> 
> That is normal for production systems. The default settings is to handle 
> setroubleshoot on a desktop system.
> 
>  
> > 3. Write the log locally and then have something monitor the file. What?
> > 
> > 4. Can auditd use rsyslog?
> 
> Yes. Use the audisp-syslog plugin. However, not using the audit daemon at all 
> will cause audit events to be in syslog. You just have to load the rules 
> yourself.
> 
> -Steve





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