#25784: Misleading error message when asking for IPv6 in a network with no IPv6-capable exits ------------------------------+-------------------------------- Reporter: pastly | Owner: (none) Type: defect | Status: new Priority: Medium | Milestone: Tor: 0.3.5.x-final Component: Core Tor/Tor | Version: Tor: 0.3.2.10 Severity: Minor | Keywords: easy, ipv6 Actual Points: | Parent ID: Points: | Reviewer: Sponsor: | ------------------------------+-------------------------------- I created a small test Tor network. 3 authorities, 7 relays, 3 exits. Great.
I didn't set `IPv6Exit 1` on any of the exits. I had a client try to request `::1` over this Tor network on a hand crafted circuit (it makes sense to ask an exit to connect to localhost when this is all local ... trust me). I got the following confusing error message on the client. > [warn] I'm about to ask a node for a connection that I am telling it to fulfil with neither IPv4 nor IPv6. That's not going to work. Did you perhaps ask for an IPv6 address on an IPv4Only port, or vice versa? I think it's important to point out (again) that I was hand crafting these circuits and was not considering IPv6 support. That said, I don't know what Tor would do if I let it make the circuit for me and it couldn't find an IPv6-supporting exit. As you can see, I'm talking myself out of this being a bug and it just being me screwing things up for myself. I was encouraged to make a ticket though, so here we are. If rewriting the error message is the solution, maybe after fixing the "fulfil" typo, we should add "It's also possible we couldn't find any exits supporting the IP version you want to use" I'm picking 0.3.5.x-final just because I've been told you have to pick a milestone or else your tickets generally fall through the cracks. :) -- Ticket URL: <https://trac.torproject.org/projects/tor/ticket/25784> Tor Bug Tracker & Wiki <https://trac.torproject.org/> The Tor Project: anonymity online
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