[tor-bugs] #33245 [Core Tor/Tor]: Prop 312: 3.2.6. Add a AddressDisableIPv6 torrc option
Tor Bug Tracker & Wiki
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Tue Feb 11 03:56:11 UTC 2020
#33245: Prop 312: 3.2.6. Add a AddressDisableIPv6 torrc option
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Reporter: teor | Owner: teor
Type: enhancement | Status: assigned
Priority: Medium | Milestone: Tor: 0.4.4.x-final
Component: Core Tor/Tor | Version:
Severity: Normal | Keywords: prop312, ipv6
Actual Points: | Parent ID: #33049
Points: 1 | Reviewer:
Sponsor: Sponsor55-must |
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Relays (and bridges) that have a reachable IPv6 address, but that address
is unsuitable for the relay, need to be able to disable IPv6 address
resolution.
Currently, relays are required to have an IPv4 address. So if the guessed
IPv4 address is unsuitable, operators can set the Address option to a
suitable IPv4 address. But IPv6 addresses are optional, so relay operators
may need to disable IPv6 entirely.
We propose a new torrc-only option, AddressDisableIPv6. This option is set
to 0 by default. If the option is set to 1, tor disables IPv6 address
resolution, IPv6 ORPorts, IPv6 reachability checks, and publishing an IPv6
ORPort in its descriptor.
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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/33245>
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