Rubygems access via IPV6

Sean's Avatar

Sean

05 Mar, 2019 04:42 PM

Hello,

I am posting in followup to this thread closed in July 2018 regarding access to install/update rubygems over IPV6:

https://help.rubygems.org/discussions/problems/31074-timeout-error

Is there a place to monitor progress on this? I had not encountered this until my desk was moved to another location where the local dns resolvers are configured (properly) to prefer IPV6 lookups. I have had to reconfigure my workstation so that glibc's getaddrinfo() prefers IPV4 lookups first in order to install/update gems.

It would seem that Rubygems.org is publishing AAAA dns records but the webserver is not answering on this address:
$ ping6 api.rubygems.org
PING api.rubygems.org(2a04:4e42::70 (2a04:4e42::70)) 56 data bytes
^C
--- api.rubygems.org ping statistics ---
3 packets transmitted, 0 received, 100% packet loss, time 1999ms

Versus using IPV4:
$ ping api.rubygems.org
PING rubygems.org (151.101.64.70) 56(84) bytes of data.
64 bytes from 151.101.64.70 (151.101.64.70): icmp_seq=1 ttl=54 time=25.2 ms
64 bytes from 151.101.64.70 (151.101.64.70): icmp_seq=2 ttl=54 time=25.2 ms
^C
--- rubygems.org ping statistics ---
2 packets transmitted, 2 received, 0% packet loss, time 1001ms
rtt min/avg/max/mdev = 25.259/25.273/25.287/0.014 ms

Can I suggest that the issue be fixed in one of two ways -
1. stop publishing AAAA dns records
2. configure the rubygems.org servers to answer to IPV6

If there is a better place to track this issue, please post a link that I can check up on every so often. Thank you kindly!

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