[Remops] neverending flood

Bananasplit Admin admin at bananasplit.info
Mon Oct 8 10:56:35 BST 2007


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On Mon, Oct 08, 2007 at 06:53:25AM +0200, Marco A. Calamari wrote:
> After more than one month, the flood doesn't appear to
>  stop; there are changes to the set of flooded remailer
>  and the more a remailer in performing, the more is flooded.

Yes, it seems the originator is using a high MINREL when forming his
remailer chains.

> No analisys of the flood was done ? It seems to me
>  a mixmaster-only middle-only flood that nilsimsa is unable to 
>  intercept.

I use syslog-ng and enabled some filtered logging to try and identify a
source.  Whilst it's impossible to say with any certainty that a given
address is the cause, there were some very strong pointers to a specific
DHCP managed sub-domain.

I'd be interested to hear if any other remops have taken steps to
identify or block the source.  It's always a sensitive topic to discuss
after the very public attempts by Frog-Admin to identify a flooder back
in February 2000 but IMO there's reasonable justification for trying to
prevent the ingress of thousands of messages from a single source,
providing it can be done without a trumpet fanfare and a public naming
of the suspected instigator.

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