What is it about?
Internet Protocol network addresses are always visible in packets of data. Addresses need to be visible in order for packets to get to their destination. However, those addresses can reveal information about a user's location on the network, and act as a form of identity, and so could be used as part of an attack against user privacy.
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Why is it important?
The problem is highlighted with an experiment with real network traffic on a testbed. That same testbed is used to show a modification of the way addresses are used, based on the Identifier Locator Network Protocol (ILNP), to make it harder to perform privacy attacks based on the visible addresses.
Perspectives
This is achieved without using cryptographic techniques, and existing applications and protocols can benefit directly, without having to be modified, if the network layer uses addresses in this way, i.e. within the Internet Protocol. The approach is complimentary to existing security and privacy techniques, e.g. use of application layer security that is already in use today.
Prof Saleem N Bhatti
University of St Andrews
Read the Original
This page is a summary of: End-to-End Privacy for Identity & Location with IP, November 2021, Institute of Electrical & Electronics Engineers (IEEE),
DOI: 10.1109/icnp52444.2021.9651909.
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