Opened ports documentation (hitachienergy#423)

* Item: hitachienergy#410 Desc:  Add ports for node_exporter and kafka_exporter

* Item: hitachienergy#274 Desc: List ports used by Epiphany in documentation.

* Item: #000 Desc: Fix after merge

* Item: hitachienergy#274 Desc: Changes required by pull request - remove TCP from docs
for kubernetes

* Item: hitachienergy#274 Desc: Changes required by pull request - information about defaults

docs/home/SECURITY.md

@@ -2,8 +2,8 @@
 
 ## Contents
 
-- [Users and roles created by epiphany](#users-and-roles-created-by-epiphany)
-
+- [Users and roles created by Epiphany](#users-and-roles-created-by-epiphany)
+- [Ports used by components in Epiphany](#ports-used-by-components-in-epiphany)
 
 
 ### Users and roles created by epiphany
@@ -12,6 +12,7 @@ By default Epiphany is creating user operations that is used to connect to machi
 be changed in Epiphany yaml configuration files. 
 
 Additional to users created by each component Epiphany creates also users and groups:
+
   - haproxy_exporter/haproxy_exporter
   - kafka_exporter/kafka_exporter
   - node_exporter/node_exporter
@@ -20,4 +21,69 @@ Additional to users created by each component Epiphany creates also users and gr
   - rabbitmq/rabbitmq
   - zookeeper/zookeeper
   - kafka/kafka
+
+Other accounts created by each component you can find in these components documentation.
+
+
+### Ports used by components in Epiphany
+
+Below you can find list of ports used by default in Epiphany on per component basis. Some of them can be changed to 
+different values.
+
+1. OS services:
+
+    - 22 - ssh
+
+2. Prometheus exporters:
+
+    - 9100 - Node exporter
+    - 9101 - HAProxy exporter
+    - 9308 - Kafka exporter
+
+3. Zookeeper:
+
+    - 2181 - Zookeeper client
+    - 2888 - Zookeeper nodes
+    - 3888 - Zookeper inter nodes
+
+4. Kafka:
+
+    - 9092 - Kafka broker
+
+5. Elasticsearch:
+
+    - 9200 - Elasticsearch REST communication
+    - 9300 - Elasticsearch nodes communication
+
+6. Kibana:
+
+    - 5601 -  Kibana web UI
+
+7. Prometheus:
+
+    - 9090 - Prometheus server
+
+8. Alertmanager:
+
+    - 9093 - Alertmanager service
+
+9. Grafana:
+
+    - 3000 - Grafana web UI
+
+10. RabbitMQ:
+
+    - 5672 - RabbitMQ server
+
+11. Postgresql:
+
+    - 5432 - Postgresql server
+
+12. Kubernetes:
 
+    - 4149 - kubelet
+    - 6443 - kube-apiserver
+    - 9099 - calico-felix
+    - 10250 - kubelet
+    - 10255 - kubelet
+    - 10256 - kube-proxy