IPFW logging and dynamic rules

[Bob Johnson]

On 10/5/05, Alex de Kruijff <freebsd at akruijff.dds.nl> wrote:
> On Thu, Sep 29, 2005 at 11:45:42AM -0400, Bob Johnson wrote:
> > In FreeBSD 5.4R, I tried an IPFW configuration that includes something
> > like this (plus a lot of other rules):
> >
> >    check-state
> >    deny tcp from any to any established
> >    allow log tcp from any to ${my-ip} dst-port 22 setup limit src-addr 3
> > + other rules that use keep-state
[...]
> > Is there some way to get the first version to log only the initial
> > packet while still retaining the dynamic limit src-addr rule?
>
> Yes you could use count instead of allow.
>
> check-state
> count log tcp from any to ${my-ip} dst-port 22 limit src-addr 3
> allow tcp from any to ${my-ip} dst-port 22 setup limit src-addr 3
>

Thanks, I'll try that.  I had overlooked the count option when I was
reading the man pages.

>
> Howto's based on my ppersonal use, including information about
> setting up a firewall and creating traffic graphs with MRTG
> http://www.kruijff.org/alex/FreeBSD/
>

And I will look over your tutorial as well.  Thanks!

- Bob