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Re: Merits of purpose-built (appliance) vs. FreeBSD+ipfw firewalls

  • From: Scott Francis
  • Date: Sat Jan 18 18:51:36 2003 
On Sat, Jan 18, 2003 at 12:29:28PM -0500, [email protected] said:
[snip]
> As I understand OpenBSD's pf (which may not be complete so feel free to
> point out if I'm wrong), it isn't actually doing anything to compile
> normal packet lookups, it just added a non-sequential lookup engine for
> the truely "stateful" filtering that it does. While this is nice and all,
> it doesn't replace the functionality of normal rule-based filtering, and

From pf.conf(5):

     For each packet processed by the packet filter, the filter rules are
     evaluated in sequential order, from first to last.  The last matching
     rule decides what action is taken.

Does this not constitute rule-based filtering? Or am I misunderstanding you?
-- 
-= Scott Francis || darkuncle (at) darkuncle (dot) net =-
  GPG key CB33CCA7 has been revoked; I am now 5537F527
        illum oportet crescere me autem minui

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