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fix a document error (#2376)

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This commit is contained in:
StormXX
2018-12-07 17:45:13 +08:00
committed by Miek Gieben
parent 4a3f5cc41e
commit 16197a1add
1 changed files with 1 additions and 1 deletions
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plugin/loop/README.md
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@@ -70,7 +70,7 @@ This is because Kubernetes will try to restart the Pod every time CoreDNS detect
A common cause of forwarding loops in Kubernetes clusters is an interaction with a local DNS cache
on the host node (e.g. `systemd-resolved`). For example, in certain configurations `systemd-resolved` will
put the loopback address `127.0.0.53` as a nameserver into `/etc/resolv.conf`. Kubernetes (via `kubelet`) by default
will pass this `/etc/resolv/conf` file to all Pods using the `default` dnsPolicy rendering them
will pass this `/etc/resolv.conf` file to all Pods using the `default` dnsPolicy rendering them
unable to make DNS lookups (this includes CoreDNS Pods). CoreDNS uses this `/etc/resolv.conf`
as a list of upstreams to proxy/forward requests to. Since it contains a loopback address, CoreDNS ends up forwarding
requests to itself.