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» On the Design and Security of RC2
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CCS
2003
ACM
15 years 12 months ago
Using graphic turing tests to counter automated DDoS attacks against web servers
We present WebSOS, a novel overlay-based architecture that provides guaranteed access to a web server that is targeted by a denial of service (DoS) attack. Our approach exploits t...
William G. Morein, Angelos Stavrou, Debra L. Cook,...
CCS
2003
ACM
15 years 12 months ago
Enhancing byte-level network intrusion detection signatures with context
Many network intrusion detection systems (NIDS) use byte sequences as signatures to detect malicious activity. While being highly efficient, they tend to suffer from a high false...
Robin Sommer, Vern Paxson
ECOOPW
1999
Springer
15 years 11 months ago
Providing Policy-Neutral and Transparent Access Control in Extensible Systems
Extensible systems, such as Java or the SPIN extensible operating system, allow for units of code, or extensions, to be added to a running system in almost arbitrary fashion. Exte...
Robert Grimm, Brian N. Bershad
ACSC
2004
IEEE
15 years 10 months ago
Kerberos Assisted Authentication in Mobile Ad-hoc Networks
An ad-hoc network comprises mobile nodes that cooperate with each other using wireless connections to route both data and control packets within the network. As the low transmissi...
Asad Amir Pirzada, Chris McDonald
CCS
2006
ACM
15 years 10 months ago
Packet vaccine: black-box exploit detection and signature generation
In biology, a vaccine is a weakened strain of a virus or bacterium that is intentionally injected into the body for the purpose of stimulating antibody production. Inspired by thi...
XiaoFeng Wang, Zhuowei Li, Jun Xu, Michael K. Reit...