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Date:      Fri, 22 Dec 2006 13:45:14 +1100 (EST)
From:      Ian Smith <smithi@nimnet.asn.au>
To:        Scott Ullrich <sullrich@gmail.com>
Cc:        stable@freebsd.org, =?ISO-8859-1?Q?V=E1clav_Haisman?= <V.Haisman@sh.cvut.cz>, Kevin Downey <redchin@gmail.com>
Subject:   Re: Duplicate IPFW rules
Message-ID:  <Pine.BSF.3.96.1061222133457.12116A-100000@gaia.nimnet.asn.au>
In-Reply-To: <d5992baf0612211222u37630f30t6257d91ccdafed61@mail.gmail.com>

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On Thu, 21 Dec 2006, Scott Ullrich wrote:

 > On 12/21/06, Václav Haisman <V.Haisman@sh.cvut.cz> wrote:
 > > Oh, I did not realise this use. Hmm...still, I thought that this is what
 > > tables are for :)
 > 
 > Yep, thats another usage for tables.  But tables have not been around
 > for very long either.  Considering that I have used IPFW since FreeBSD
 > version 2 or something or another these fancy features have not always
 > been around :)

Perhaps worth noting that on FreeBSD 2 (and iirc, 3) 'ipfw delete $rule'
only deleted the first of any set of same-numbered rules, ie you had to
issue multiple delete commands.  This behaviour changed somewhere in 4.x
to a single delete command removing all same-numbered rules; I had to
modify several scripts at the time to accomodate that (sensible) change.

Cheers, Ian




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