Merge pull request #11830 from mitake/insecure-default

Documentation: note on the policy of insecure by default
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Hitoshi Mitake
2020-05-06 23:54:22 +09:00
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@@ -2,7 +2,7 @@
title: Transport security model
---
etcd supports automatic TLS as well as authentication through client certificates for both clients to server as well as peer (server to server / cluster) communication.
etcd supports automatic TLS as well as authentication through client certificates for both clients to server as well as peer (server to server / cluster) communication. **Note that etcd doesn't enable [RBAC based authentication][auth] or the authentication feature in the transport layer by default to reduce friction for users getting started with the database. Further, changing this default would be a breaking change for the project which was established since 2013. An etcd cluster which doesn't enable security features can expose its data to any clients.**
To get up and running, first have a CA certificate and a signed key pair for one member. It is recommended to create and sign a new key pair for every member in a cluster.