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Merge pull request #1753 from geekdave/patch-1

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[k3s] clarify udp port rule
This commit is contained in:
Erik Wilson
2019-10-07 09:24:07 -07:00
committed by GitHub
parent b758118c94 7fc7172cac
commit c57a3c7398
1 changed files with 1 additions and 1 deletions
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content/k3s/latest/en/configuration/_index.md
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@@ -65,7 +65,7 @@ Open Ports / Network Security
---------------------------
The server needs port 6443 to be accessible by the nodes. The nodes need to be able to reach
other nodes over UDP port 8472. This is used for flannel VXLAN. If you don't use flannel
other nodes over UDP port 8472. The nodes also need to be able to reach the server on UDP port 8472. This is used for flannel VXLAN. If you don't use flannel
and provide your own custom CNI, then 8472 is not needed by k3s. The node should not listen
on any other port. k3s uses reverse tunneling such that the nodes make outbound connections
to the server and all kubelet traffic runs through that tunnel.