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Yes, you need to secure the traffic. Reading docs.docker.com: "if you need Docker to be reachable through the network in a safe manner, you can enable TLS by specifying the tlsverify flag and pointing Docker’s tlscacert flag to a trusted CA certificate. In the daemon mode, it only allows connections from clients authenticated by a certificate ...


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Yes, It's enough, but you can harden it using XPACK, Xpack is available now in free version of ELK. Please check the reference regarding XPACK: https://www.elastic.co/guide/en/elasticsearch/reference/current/setup-xpack.html You can run elasticsearch in local network only, If you want to access it later outside your network you can use NGINX Reverse Proxy ...


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