[tor-relays] Debugging ipv6 conenctivity

Subject: [tor-relays] Debugging ipv6 conenctivity

From: Charly Ghislain <charlyghislain@xxxxxxxxx>

Date: Sat, 23 Feb 2019 15:47:44 +0200

Delivery-date: Sat, 23 Feb 2019 08:48:07 -0500

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Hi all,

My tor relay has got the UnreachableIpv6 flag set once i mentionned an OrPort with my ipv6 address.

From what i can tell, my server is reachable over ipv6, and can contact the directory authorities through ipv6 (following the instructions found there: https://trac.torproject.org/projects/tor/wiki/TorRelayGuide#Makesurerelayportscanbereached).

The node is behind an haproxy that relays ipv6 traffic to natted ipv4 (with no logging for those concerned). It seems to work fine for web content over ipv6, and traffic on both ips (v4 and v6) goes through this channel.

I can successfully telnet my node ORPort using my v6 address. The ports have been defined this way in torrc:

ORPort 0.0.0.0:9001 NoAdvertise

ORPort 91.121.79.188:9001 NoListen

ORPort [2001:41d0:1:84bc::1]:9001 NoListen

Is there a way to make a tor client connect to a specific relay to debug this kind of connectivity issues? Or any other mean?

In the meantime ive removed the advertized ip6.

Regards,

Charly

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