[Operators] DNSBLs

Peter Saint-Andre stpeter at stpeter.im
Thu Nov 19 13:01:07 CST 2009

On 11/18/09 11:30 PM, Evgeniy Khramtsov wrote:
> Peter Viskup wrote:
>> What does your expression - 'uncontrolled registration' - mean?
>> What is the definition of 'controlled registration'?
>> How do you check if the jabber server has 'controlled registration'?
> From my point 'uncontrolled' means: no captcha or no per-IP time
> limitation - both of them leads to the ability for massive unlimited
> registration by automated software (bots).
> By the way, I've found out that even time limitation doesn't provide a
> good protection from massive registrations: there is a malware which
> traverses the list of public server and registers one account per an
> iteration on each server in the list. The problem will become more acute
> when there will be hundreds of thousands of public servers available in
> the list.

We could always do away with the public list. :)


Peter Saint-Andre

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