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Re: [tor-bugs] #6362 [Tor Relay]: Let relays bind and declare IPv6 addresses
#6362: Let relays bind and declare IPv6 addresses
------------------------------+---------------------------------------------
Reporter: ln5 | Owner: ln5
Type: enhancement | Status: needs_review
Priority: normal | Milestone:
Component: Tor Relay | Version:
Keywords: SponsorG20120930 | Parent: #4564
Points: | Actualpoints:
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Comment(by nickm):
Replying to [comment:7 ln5]:
> Replying to [comment:6 nickm]:
> > Seems plausible. Was there a reason you said this wasn't ready yet
other than the self-testing issue?
>
> Is it possible that you're mixing up #6362 and #6363 (Make directory
> authorities vote on "a" lines in consensus network status
> documents). The latter lacks support for microdescriptors.
You said:
{{{
10:43 < ln5> nickm: #6621, #6362, #6363 (the last two probably not ready
for merge yet, but feedback would be valuable)
}}}
I read that as saying that #6362 (this ticket) was probably not ready for
merge.
> > Also, is there any risk of unintentionally getting an ipv6 address
when you didn't mean to? If so, this patch is a little risky: it might
make a working node accidentally advertise a non-working IPv6 address,
thus getting the 0.2.4 authorities to mark it as down.
> At the moment, no. Advertising an IPv6 address requires not only that
> what's given in an ORPort option parses into AF_INET6 but also that it
> passed !tor_addr_is_internal() with 'for_listening==0, i.e. is not
> "[::]" (see #5146). This might change when we fix #5940 (which needs
> design love btw).
Okay. So, I don't know a reason not to merge this then.
> A related question is how we should treat "ORPort 4711" on a system
> with an IPv6 address. This is unresolved in prop186 -- should the
> 'AllAddrs' option be on by default?
Eventually, yes! But not before self-testing can work, or there will be
trouble.
Last question: How tested is this?
--
Ticket URL: <https://trac.torproject.org/projects/tor/ticket/6362#comment:8>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
The Tor Project: anonymity online
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