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Publication:Garcia2016sieveq
Abstract Firewalls play a crucial role in assuring Firewalls play a crucial role in assuring the security of today’s critical infrastructures, forming a first line of defense by being placed strategically at the front-end of the networks. Sometimes, however, they have exploitable weaknesses, allowing an adversary to bypass them in different ways. Therefore, their design should include improved resilience capabilities to allow them to operate correctly in highly adverse environments. This paper proposes SieveQ, a message queue service that protects and regulates the access to critical systems, in a way similar to an application-level firewall. SieveQ achieves fault and intrusion tolerance by employing an architecture based on two filtering layers, enabling efficient removal of invalid messages at early stages and decreasing the costs associated with Byzantine Fault-Tolerant (BFT) replication of previous solutions. Our experimental evaluation shows that SieveQ improves existing replicated-firewalls resilience in the presence of corrupted messages by faulty nodes. Furthermore, it accommodates high loads, as it is able to handle sixteen times more security events per second than what was processed by the SIEM employed in the 2012 Summer Olympic Games. employed in the 2012 Summer Olympic Games.
Author Miguel Garcia + , Nuno Ferreira Neves + , Alysson Bessani +
Journal IEEE Transactions on Dependable and Secure Computing  +
Key Garcia2016sieveq  +
Month jun  +
NumPubDate 2,018.06  +
Pages 511–525  +
Project Project:SEGRID + , Project:MASSIF +
ResearchLine Fault and Intrusion Tolerance in Open Distributed Systems (FIT) +
Title SieveQ: A Layered BFT Protection System for Critical Services  +
Type article  +
Url http://ieeexplore.ieee.org/document/7517292/  +
Volume 15  +
Year 2018  +
Categories Publication  +
Modification dateThis property is a special property in this wiki. 9 October 2018 06:19:24  +
NumberThis property is a special property in this wiki. 3  +
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