Problem with security log

[Marcin]

2010/10/13 Jeremy Chadwick <freebsd at jdc.parodius.com>:
> On Tue, Oct 12, 2010 at 10:50:28PM +0200, Marcin wrote:
>> Hi folks,
>>
>> For some time in the file / var / log / security appear illegible entries:
>> kernel: ipfw: 200 Deny UDiPp f1w9:2 .168.10.5:5230503 D22e4n.y0
>> .U0D.P25 1:15923.5136 o8.u10t. 5va5 3r5e03 224.0.0.251:5353 in via re0
>>
>> How to get rid of it? Please help...
>
> There isn't a 100% reliable way to get rid of this problem.  I've been
> harping about this for years (sorry to sound like a jerk, but this
> really is a major problem that keeps coming up and annoys users/admins
> to no end.  There are solutions -- Linux solved it by implementing a
> lockless circular ring buffer[1] used by kmsg).
>
> The """workaround""" -- which again, does not solve the problem, only
> decreases the regularity of it happening (and when it does happen, can
> sometimes decrease how much interspersed output there is) -- is to add
> the following line to your kernel config and rebuild/reinstall your
> kernel:
>
> options         PRINTF_BUFR_SIZE=128    # Prevent printf output being interspersed.
>
> This option became part of the GENERIC kernel configuration file at the
> following times:
>
> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/amd64/conf/GENERIC#rev1.529
> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/i386/conf/GENERIC#rev1.517
>
> Depending on what release/tag you follow, you may or may not find the
> above commit/change in your GENERIC file.  I can't be bothered to track
> down what time the CVS tagging was done, for multiple architectures,
> etc...
>
> [1]: http://www.mjmwired.net/kernel/Documentation/trace/ring-buffer-design.txt
>
> --
> | Jeremy Chadwick                                   jdc at parodius.com |
> | Parodius Networking                       http://www.parodius.com/ |
> | UNIX Systems Administrator                  Mountain View, CA, USA |
> | Making life hard for others since 1977.              PGP: 4BD6C0CB |
>
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Hi Jeremy,
I have compiled kernel with this option and unfortunately problem still exist...
Do you have another idea how can i improve my log file? :)