On Fri, 27 Sep 2002, Orlando Andico wrote:

>
> hello all,
>
> perhaps due to my aggressive blocking of spam netblocks, we've become a
> favorite whipping boy for spammers who're sending us SYN requests and
> holding all our smtpd's hostage.
>
> to alleviate this issue, i've written a script which outputs about 2000
> iptables rules (i have a database where i keep track of which IP's are
> naughty and nice..)
>
> the problem now is.. how can i quantify the performance hit iptables is
> extracting? 2000+ rules is not inconsiderable.
>

At the very least if performance does degrade, you'ld see it in a simple
file or data stream transfer.  ttcp would probably be a good benchmark,
with and without the tables

_
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