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MOBISEC
2009
Springer

Filtering SPAM in P2PSIP Communities with Web of Trust

12 years 1 months ago
Filtering SPAM in P2PSIP Communities with Web of Trust
Spam is a dominant problem on email systems today. One of the reasons is the lack of infrastructure for security and trust. As Voice over IP (VoIP) communication becomes increasingly popular, proliferation of spam calls is only a matter of time. As SIP identity scheme is practically similar to email, those share the same threats. We utilized Host Identity Protocol (HIP) to provide basic security, such as end-toend encryption. To provide call filtering, however, other tools are needed. In this paper, we suggest applying trust paths familiar from the PGP web of trust to prevent unwanted communication in P2PSIP communities. The goal is to provide trust visibility beyond the first hop without requiring people to openly share private data such as contact lists. Since our distributed environment limits global solutions, our proposal bases on scale-free distributed nodes which provide service to the social trust neighborhood. We have implemented the service as a freely deployable stand-alon...
Juho Heikkilä, Andrei Gurtov
Added 27 May 2010
Updated 27 May 2010
Type Conference
Year 2009
Where MOBISEC
Authors Juho Heikkilä, Andrei Gurtov
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