Hacking Exposed 7 Network Security Secrets Pdf

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mpls is a policy-based system wherein router behaviour is determined not only by the base protocols, but also by a set of further policies that network operators will typically wish not to reveal. however, sophisticated adversaries are known to conduct network reconnaissance years before executing actual attacks, and may also wish to conduct deniable attacks that may not be visible as such that appear as service degradation or which will cause re-configuration of paths in the interest of the attacker. in this paper we therefore describe a probing algorithm and a model of mpls state space allowing an adversary to learn about the policies and policy state of an mpls speaker. in spite of the restrictions on the adversary, our probing algorithm revealed the policy states of non-directly connected routers. also, we analyse the confirmed information using a bayesian network and provide simulative validation of our findings.


mpls is a policy-based system wherein router behaviour is determined not only by the base protocols, but also by a set of further policies that network operators will typically wish not to reveal. however, sophisticated adversaries are known to conduct network reconnaissance years before executing actual attacks, and may also wish to conduct deniable attacks that may not be visible as such that appear as service degradation or which will cause re-configuration of paths in the interest of the attacker. in this paper we therefore describe a probing algorithm and a model of mpls state space allowing an adversary to learn about the policies and policy state of an mpls speaker. 84d34552a1