All v3 Onion Addresses on the Tor Network Down Once Again

All v3 Onion Addresses on the Tor Network Down Once Again

All v3 Onion Addresses on the Tor Network Down Once Again

Once again all v3 onion services are down due to a possible attack on the Tor Network. This appears to be related to the events that occurred earlier this month which affected the entire network and involves overloading the consensus authority nodes.

Computer scientist, Matt Traudt said in a post earlier today:

 It’s happening again, but this time the large amount of directory traffic is coming from exits. We’ve missed three consensuses, so v3 onions will be going down. Dirauths are already discussing and trading patches to mitigate the issue in the short term.

Bottom line up front

Someone is sending the directory authorities (and fallback dirs) lots of traffic.

This causes the dirauths to no longer be able to reliably communicate.

This means consensuses are no longer reliably produced every hour.

No new consensus three hours in a row means new connections to v3 onion services stop working because of a bug. Existing connections survive, and no other part of Tor breaks at the three hour mark.

There is an alpha release for experts who know what they are doing. It is making its way into all supported stable Tor versions.

Please keep these facts in mind:

It is unknown if the traffic hitting the dirauths is maliciously motivated. People keep calling it an attack. I don’t think we have the evidence to back that up at this time.

There is no evidence that the traffic overload is actively trying to hurt v3 onions. A similar situation existed last year and onions didn’t go down then. Claims that it is “the” government or rival drug markets are not backed up with any evidence that I’ve seen.

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