An Effectual Scheme to Alleviate DoS Attacks Using LocationGuard
CFS, Farsite, and OceanStore file systems store files on a large collection of untrusted nodes that form an overlay network. They use cryptographic techniques to maintain file confidentiality and integrity from malicious nodes. Unfortunately, cryptographic techniques cannot protect a file holder from a Denial-of-Service (DoS) attack or a host compromise attack. Hence, most of these distributed file systems are vulnerable to targeted file attacks, wherein a n adversary attempts to attack a small (chosen) set of files by attacking the nodes that host them. This paper presents Location Guard - a location hiding technique for securing overlay file storage systems from targeted file attacks.