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DateSun, 29 Jun 2003 09:45:37 +0200
FromRoberto Nibali <>
SubjectRe: [ANNOUNCE] nf-hipac v0.8 released
Hello,

>>Apart from that Roberto Nibali did some preliminary testing on nf-hipac.
>>You can find his posting to linux-kernel here: 
>>http://marc.theaimsgroup.com/?l=linux-kernel&m=103358029605079&w=2
>>
>>Since there are currently no performance tests available for the
>>new release we want to encourage people interested in firewall
>>performance evaluation to include nf-hipac in their tests.
> 
> Yes, I had missed this when I quickly looked at the web page using lynx. 
> Thanks.
> 
> One obvious thing that's missing in your performance and Roberto's figures 
> is what *exactly* are the non-matching rules.  Ie. do they only match IP 
> address, a TCP port, or what? (TCP port matching is about a degree of 
> complexity more expensive with iptables, I recall.) 

When I did the tests I used a variant of following simple script [1].

There you can see that I only used a src port range. In an original 
paper I wrote for my company (announced here [2]) I did create rules 
that only matched IP addresses, the results were bad enough ;).

Meanwhile I should revise the paper as quite a few things have been 
addressed since then: For example the performance issues with OpenBSD 
packet filtering have mostly been squashed. I didn't continue on that 
matter because I fell severely ill last autumn and first had to take 
care of that.

[1] http://www.drugphish.ch/~ratz/genrules.sh
[2] http://www.ussg.iu.edu/hypermail/linux/kernel/0203.3/0847.html

HTH and Best regards,
Roberto Nibali, ratz
-- 
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