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Docker - Restricting communication access between containers on the same overlay network



The 2019 Stack Overflow Developer Survey Results Are InHow to handle security updates within Docker containers?How to use nginx with coreos docker containers and fleetSteps for limiting outside connections to docker container with iptables?How does yum with Red Hat Network Subscription work inside the rhel Docker images?Whitelisting outgoing traffic from docker containersIsolate network interface from system except from one docker bridgegoogle-cloud storage bucket mounted to docker serviceConfiguring Azure Container Service with Docker Swarm for SSLConfiguring iptables to let Docker containers access outDocker containers cannot access published ports on host IP



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0















We want to use docker swarm with Elasticsearch in containers. That is multiple instances of Elasticsearch in different Docker hosts that operate in a swarm.



However, we would like to use a large subnet and then restrict access between containers per container. Is this possible?



For example:



Host 1: Host 2:
 192.168.1.10 192.168.1.11
 - Elasticsearch-node1<----------------------->Elasticsearch-node2
 192.168.1.12 192.168.1.13
 - Elasticsearch-node3<----------------------->Elasticsearch-node4


In the above example all containers utilize a 192.168.1.0/24 network but we want to limit access so that node1 can only communicate with node2 and not node3 or node4. How would we achieve this?






networking iptables docker docker-swarm







share|improve this question






























    0















    We want to use docker swarm with Elasticsearch in containers. That is multiple instances of Elasticsearch in different Docker hosts that operate in a swarm.



    However, we would like to use a large subnet and then restrict access between containers per container. Is this possible?



    For example:



    Host 1: Host 2:
     192.168.1.10 192.168.1.11
     - Elasticsearch-node1<----------------------->Elasticsearch-node2
     192.168.1.12 192.168.1.13
     - Elasticsearch-node3<----------------------->Elasticsearch-node4


    In the above example all containers utilize a 192.168.1.0/24 network but we want to limit access so that node1 can only communicate with node2 and not node3 or node4. How would we achieve this?






    networking iptables docker docker-swarm







    share|improve this question


























      0












      0








      0








      We want to use docker swarm with Elasticsearch in containers. That is multiple instances of Elasticsearch in different Docker hosts that operate in a swarm.



      However, we would like to use a large subnet and then restrict access between containers per container. Is this possible?



      For example:



      Host 1: Host 2:
       192.168.1.10 192.168.1.11
       - Elasticsearch-node1<----------------------->Elasticsearch-node2
       192.168.1.12 192.168.1.13
       - Elasticsearch-node3<----------------------->Elasticsearch-node4


      In the above example all containers utilize a 192.168.1.0/24 network but we want to limit access so that node1 can only communicate with node2 and not node3 or node4. How would we achieve this?






      networking iptables docker docker-swarm







      share|improve this question
















      We want to use docker swarm with Elasticsearch in containers. That is multiple instances of Elasticsearch in different Docker hosts that operate in a swarm.



      However, we would like to use a large subnet and then restrict access between containers per container. Is this possible?



      For example:



      Host 1: Host 2:
       192.168.1.10 192.168.1.11
       - Elasticsearch-node1<----------------------->Elasticsearch-node2
       192.168.1.12 192.168.1.13
       - Elasticsearch-node3<----------------------->Elasticsearch-node4


      In the above example all containers utilize a 192.168.1.0/24 network but we want to limit access so that node1 can only communicate with node2 and not node3 or node4. How would we achieve this?






      networking iptables docker docker-swarm




      networking iptables docker docker-swarm






      share|improve this question















      share|improve this question













      share|improve this question




      share|improve this question








      edited 9 hours ago









      Michael Hampton♦

      174k27319644




      174k27319644










      asked 13 hours ago









      nillenilssonnillenilsson

      235




      235




















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