[IMC-Tech] Captcha implementation: which way to choose?
mjr at phonecoop.coop
Mon Aug 16 05:07:09 PDT 2010
Mike Tonks wrote:
> It does say it passes content & IP Addresses to a blogspam central
> server for testing purposes, but I guess that could be disabled for
I don't see how to do cooperative/distributed bayesian content
analysis without sending the content to a server running the analysis
Two levels of protection appear possible:
1. someone could run a blogspam.net central server for IMCs that
doesn't use IP Addresses in its decision-making (disable those
2. IMCs don't send the IP Addresses to the central server.
I suspect not sending the IP Addresses to a server which *does* use
them (like blogspam.net itself) will result in a higher false-positive
rate, but I don't know how much higher.
Hope that explains,
MJ Ray (slef) Webmaster and developer for hire at | software
www.software.coop http://mjr.towers.org.uk | .... co
IMO only: see http://mjr.towers.org.uk/email.html | .... op
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