Posts in category network

V3 onion services usage

by ggus | September 21, 2021

With the deprecation of V2 onion services right around the corner, it is a good time to talk about V3 onion services. This post will discuss the most important privacy improvements provided by V3 onion services as well as their limitations. Aware of those limitations, our research group at the Institute of Network and Security at JKU Linz conducted an experiment that extracts information about how V3 onion services are being used from the Tor network.

The State of IPv6 support on the Tor network

by gaba | January 14, 2021

In our last article, published in RIPE's website, we described the work that happened in 2020 related to giving IPv6 support to the Tor network. Tor 0.4.5.1-alpha is the first release that includes all the work described in the RIPE article. Relays running 0.4.5.1-alpha are the first to report IPv6 bandwidth statistics.

How to stop the onion denial (of service)

by asn | August 18, 2020

As you might have heard, some onion services have been experiencing issues with denial-of-service (DoS) attacks over the past few years. In this post, we would like to present you with two options that we believe can provide a long-term defense to the problem while maintaining the usability and security of onion services.