Service Cloaking and Authentication at Data Link Layer
Arun Kumar S P

TL;DR
This paper proposes a hardware-based security approach at the data link layer using programmable NICs to enhance network host security, reduce attack vulnerabilities, and provide immunity to certain zero-day exploits.
Contribution
It introduces a novel architecture and implementation of a programmable NIC with dynamic access control to improve security at the data link layer.
Findings
Reduces vulnerability to layer 2 attacks
Provides immunity to some zero-day vulnerabilities
Enhances existing security protocols with hardware measures
Abstract
This paper discusses that there is significant benefit in providing stronger security at lower layers of the network stack for hosts connected to a network. It claims to reduce the attack vulnerability of a networked host by providing security mechanisms in a programmable Network Interface Card (NIC). Dynamic access control mechanisms are implemented in hardware to restrict access to the services provided, only to authenticated hosts. This reduces server vulnerability to various layer 2 attacks. Also the services will be immune to zero-day vulnerabilities due to the minimal code execution paths. To this end, it presents architecture and implementation details of a programmable network interface card equipped with these measures. It works alongside, and augments, existing security protocols making deployment practical.
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Taxonomy
TopicsSecurity and Verification in Computing · Advanced Malware Detection Techniques · Advanced Software Engineering Methodologies
