Re: What happens if IP Filter fails?

Blaster <[email protected]> Sat, 25 Sep 2010 07:49:12 -0500
Newsgroups gmane.comp.security.firewalls.ipfilter
Message-ID <26909_1285419065_4C9DF039_26909_23253_1_4C9DEFC8.2050904@556nato.com>
  IPFilter doesn't "fail".  It's not a process that can die.  It's a 
kernel module.  If it "dies" the system panics and you have no Solaris.

I've been using IPFilter for 15 years, it's never "failed".


On 9/24/2010 10:51 AM, J. Joseph Felten wrote:
> Sorry if this is obvious to IP Filter veterans.  I searched the FAQ
> and Solaris IP Filter documentation and the mailing list etc. etc. and
> have not found an answer.
>
> I've created a very simple IP Filter rules set on Solaris 10 to block
> access to a particular port from particular IP addresses.  This works
> well but what happens if IP Filter fails in some way (perhaps putting
> the service in to a maintenance state)?  Isn't the kernel module's
> default to pass all?