@@ -0,0 +1,23 @@
+Custom services and their default ports
+=======================================
+
++------------------+-------------+
+| Service          | Port        |
++==================+=============+
+| acng             | 3142        |
++------------------+-------------+
+| elasticsearch    | 9200-9400   |
++------------------+-------------+
+| etherpad         | 9000        |
++------------------+-------------+
+| redis-server     | 6379        |
++------------------+-------------+
+| redis-sentinel   | 26379       |
++------------------+-------------+
+| rails apps       | 3000        |
++------------------+-------------+
+
+Standard ports
+==============
+
+``cat /etc/services`` to obtain a list of standard ports.