On Wednesday 25 March 2009 13:46:49 Flávio Santos wrote: > Hello mentors and developers, > > I am a quite familiar with the Freenet project and I am excited because it > is among selected projects for GSoC 2009. > Unfortunately, in the past years I could not participate in this program due > to timing issues. But now it is not a problem and I am interested in > contributing for such a great project. > > I have an idea to discuss in the context of GSoC. What do you think about an > automatic (distributed) mechanism to fight content pollution in the Freenet > network? This is a topic related to my Master's studies and it would be a > pleasure to have an opportunity to contribute. > > What do you think about this idea? > Is content pollution a potential problem in Freenet networks? > Could it be a project in the context of Google Summer of Code? > > Thanks in advance. > I look forward to hearing back from you.
What do you mean by content pollution? Spam in all its various forms? Basically there are 3 areas where it is an issue: - Chat. Freetalk/WoT/FMS use captchas and a web of trust to try to solve this problem; Frost was DoS'ed for a long period although is quieter now. - Searching filesharing (possibly via indexes). Frost provides something like this, although Frost generally is regarded as chat, and has no spam protection; Thaw allows users to search, subscribe to, create, etc indexes. - Searching freesites (via indexes, currently centralised). At the moment freesite search indexes are fully centralised - a pseudonymous user runs the spider and inserts an index. In terms of flooding in general, I don't think we have a problem - opennet will damp it out fairly well, and on darknet the attacker is limited by how many connections he has to the network. What sort of solutions would you be thinking about? (What level, etc)? There is some concern that CAPTCHAs may not be a viable long-term solution, hashcash has been suggested, as have some load limiting related ideas (see "scarce KSKs" in the list archives). > > Regards. > > Flávio Roberto Santos > http://www.inf.ufrgs.br/~frsantos <http://www.inf.ufrgs.br/%7Efrsantos>
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