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Home > Archive > Anonymous Servers > May 2005 > Re: bnhny Attorney ****s: Incompetent, Weak, and a Cheater, Caught by California State
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Re: bnhny Attorney ****s: Incompetent, Weak, and a Cheater, Caught by California State
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| Italy Anonymous Remailer 2005-05-24, 5:53 pm |
| In article <d6tr8p$u9s$1@bananasplit.info>
Zax <fleegle@bananasplit.info> wrote:
>
> ["Followup-To:" header set to alt.privacy.anon-server.]
> On 23 May 2005 21:47:48 -0000, Constance Fenimore Woolson wrote in
> Message-Id: <XAZY8J0538495.7415277778@si93kru1.poster>:
>
>
> Yes, and it's a clever little bot too. It's been using my mail2news
> gateway, auto-generating the Hashcash header and adding garbage to the
> Subject and Body in order to avoid EMP Hashbuster filters.
>
> I guess this demonstrates the flaw with Hashcash; anyone who is prepared
> to leave a computer sat there generating tokens and auto-posting 24/7 is
> only slightly inconvenienced by it. I'm currently looking at using
> Nilsimsa as a way to combat this form of abuse, although like email spam
> filters it's a balancing act between catching all the spam without
> dropping legitimate postings.
You could always increase the bits needed for the hashcash token.
This however would prevent slower computers using your mail2news
gateway and would probably only slightly increase the flooder's
inconvenience level. As they are automating the generation of the
tokens and the posts I doubt they'd care if it took a few more
hours to do it all.
I'm surprised that they've gone to all this trouble to use your
mail2news gateway though. As there are gateways that don't require
any hashcash you'd think it would be less work to use those
instead.
Maybe it's a protest against hashcash being required on certain
gateways and remailers? An attack specifically designed to show
that hashcash doesn't help at all?
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