Michael added a comment.
In T354268#9432600 <https://phabricator.wikimedia.org/T354268#9432600>, @dcaro wrote: > For `wikidata-analytics-1`, it seems that there's a docker installation there, that is reusing the same ranges that the cloud vps network uses, and the traffic to the DNS server is being sent through the docker interface: > > root@wikidata-analytics-1:/etc# grep nameserver /etc/resolv.conf > nameserver 172.20.255.1 > > root@wikidata-analytics-1:/etc# ip route get 172.20.255.1 > 172.20.255.1 dev br-f6fcafc9a433 src 172.20.0.1 uid 0 > cache > > root@wikidata-analytics-1:/etc# ip route show > default via 172.16.0.1 dev ens3 > 169.254.169.254 via 172.16.0.1 dev ens3 > 172.16.0.0/21 dev ens3 proto kernel scope link src 172.16.5.182 > 172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 linkdown > 172.18.0.0/16 dev br-6ae54cf5ea1c proto kernel scope link src 172.18.0.1 linkdown > 172.19.0.0/16 dev br-4d14d798abd1 proto kernel scope link src 172.19.0.1 linkdown > 172.20.0.0/16 dev br-f6fcafc9a433 proto kernel scope link src 172.20.0.1 linkdown > > So for that I guess the solution is to change your docker configuration to use a different range. Alright, thanks! I'll highlight that to our analytics people to decide how to move forward with that overall. TASK DETAIL https://phabricator.wikimedia.org/T354268 EMAIL PREFERENCES https://phabricator.wikimedia.org/settings/panel/emailpreferences/ To: Michael Cc: AndrewTavis_WMDE, Aklapper, Manuel, Michael, dcaro, Danny_Benjafield_WMDE, VeniVidiVicipedia, Astuthiodit_1, karapayneWMDE, Invadibot, Devnull, Slst2020, maantietaja, nskaggs, Mohammed_Sadat_WMDE, Raymond_Ndibe, ItamarWMDE, Akuckartz, Nandana, sietec, lucamauri, Lahi, Gq86, GoranSMilovanovic, Chicocvenancio, QZanden, LawExplorer, Regisrob, _jensen, rosalieper, Scott_WUaS, Wikidata-bugs, aude, Lydia_Pintscher, Mbch331, bd808
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