#29258: What is the IPv6 story with Snowflake --------------------------------------------+------------------------------ Reporter: ahf | Owner: dcf Type: task | Status: | needs_information Priority: Medium | Milestone: Component: Circumvention/Snowflake | Version: Severity: Normal | Resolution: Keywords: anti-censorship-roadmap-august | Actual Points: Parent ID: | Points: Reviewer: | Sponsor: | Sponsor28-must --------------------------------------------+------------------------------ Changes (by dcf):
* status: assigned => needs_information Comment: Back in 2017, I inquired about IPv6 addresses. The reply is that IPv6 is only supported in one of the Greenhost data centers, namely Amsterdam > ...instances on our Amsterdam location we can give you an ipv6 prefix. Other locations don't have ipv6 available yet. The bridge is in the Amsterdam location, so I activated IPv6 for it back then. But the broker is in the Hong Kong location. I sent another support request this week to ask whether anything had changed, but IPv6 is still not available in Hong Kong. > Unfortunately there are no ipv6 block available yet for our Hong Kong customers. My proposed solution is to migrate the broker to the Amsterdam data center. 1. Provision a new VM in Amsterdam. 2. Set it up just as the current broker and rsync past logs to it. 3. Change the snowflake-broker.bamsoftware.com DNS record to point to the new broker. a. Restart our proxy-go instances. Web badge and WebExtension instances should restart automatically. 4. Run the two brokers in parallel for a while. 5. Shut down the Hong Kong broker. If all goes well, this plan means no required downtime. The downside I see is that during step 4, there will be two separate sets of logs (snowflake.log and metrics.log) being kept. We will need to either merge them, or ignore one copy during the transition. -- Ticket URL: <https://trac.torproject.org/projects/tor/ticket/29258#comment:8> Tor Bug Tracker & Wiki <https://trac.torproject.org/> The Tor Project: anonymity online
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