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Re: [tor-talk] New release candidate: Tor 0.4.5.4-rc
On Fri, 22 Jan 2021 12:02:50 -0500
Nick Mathewson <nickm@xxxxxxxxxxxxxx> wrote:
o Major bugfixes (authority, IPv6):
- Do not consider multiple relays in the same IPv6 /64 network to be
sybils. Fixes bug 40243; bugfix on 0.4.5.1-alpha.
Each /64 should be treated as an equivalent to 1 address in the IPv4 world, so
it seems to me that the original code was correct.
The code should not exist at all, if you have a fast server you need to
waste so many IPs for Tor because it doesn't scale beyond one core and
doesn't let you run more than two instances on one IP. And it is still
unclear if this does help against any real world threats at all or if it
actually harms because operaters don't want to waste IPs and won't give
as much bandwith as they could without that limitations.
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