activity
20102020
most citedNXNSAttack: Recursive DNS Inefficiencies and Vulnerabilities

5 citations · 8 across the 4 of their papers we have counts for

collaborators

6 papers

cs.CR20205 cited

NXNSAttack: Recursive DNS Inefficiencies and Vulnerabilities

Yehuda Afek, Anat Bremler-Barr, Lior Shafir

This paper exposes a new vulnerability and introduces a corresponding attack, the NoneXistent Name Server Attack (NXNSAttack), that disrupts and may paralyze the DNS system, making…

cs.NI2019

NFV-based IoT Security for Home Networks using MUD

Yehuda Afek, Anat Bremler-Barr, David Hay +4

A new scalable ISP level system architecture to secure and protect all IoT devices in a large number of homes is presented. The system is based on whitelisting, as in the Manufactu…

cs.NI2019

IoT or NoT: Identifying IoT Devices in a ShortTime Scale

Anat Bremler-Barr, Haim Levy, Zohar Yakhini

In recent years the number of IoT devices in home networks has increased dramatically. Whenever a new device connects to the network, it must be quickly managed and secured using t…

cs.CR20193 cited

Eradicating Attacks on the Internal Network with Internal Network Policy

Yehuda Afek, Anat Bremler-Barr, Alon Noy

In this paper we present three attacks on private internal networks behind a NAT and a corresponding new protection mechanism, Internal Network Policy, to mitigate a wide range of…

cs.NI2017

Detecting Heavy Flows in the SDN Match and Action Model

Yehuda Afek, Anat Bremler-Barr, Shir Landau Feibish +1

Efficient algorithms and techniques to detect and identify large flows in a high throughput traffic stream in the SDN match-and-action model are presented. This is in contrast to p…

cs.NI2010

On the Dynamics of IP Address Allocation and Availability of End-Hosts

Oded Argon, Anat Bremler-Barr, Osnat Mokryn +3

The availability of end-hosts and their assigned routable IP addresses has impact on the ability to fight spammers and attackers, and on peer-to-peer application performance. Previ…