Abstract
Along with the rapid development of Internet, accessibility has become one of the most basic and important requirements for Internet service. Service resource, the knowledge that can help users get access to the service finally, is the focus of accessibility confrontation between the adversary and Internet services. Most of current resource distribution strategies adopt the “many access points” design and limit the number of service resources distributed to any user. However, current design is vulnerable to enumeration attack where an adversary can enumerate many service resources under the disguise of many pseudonyms (Sybil identities). To mitigate this challenge, an adaptive resource distribution strategy based on trust management is proposed in this paper. Under this strategy, user’s trust is adjusted according to his behavior. Both client puzzle and the resources assigned to the user are dynamically generated according to his trust value. Simulation result indicates that, this strategy can distinguish honest users from adversary Sybils, thus increasing the difficulty for an attacker to enumerate service resources while ensuring access to service for honest users.
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Acknwoledgement
This work is supported by National Natural Science Foundation of China (Grant No.61100174), National Key Technology R&D Program (Grant No.2012BAH37B04) and Strategic Priority Research Program of the Chinese Academy of Sciences (Grant No.XDA06030200).
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© 2015 Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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Shi, J., Wang, X., Fang, B., Tan, Q., Guo, L. (2015). Towards Improving Service Accessibility by Adaptive Resource Distribution Strategy. In: Tian, J., Jing, J., Srivatsa, M. (eds) International Conference on Security and Privacy in Communication Networks. SecureComm 2014. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 152. Springer, Cham. https://doi.org/10.1007/978-3-319-23829-6_39
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DOI: https://doi.org/10.1007/978-3-319-23829-6_39
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