tcp 0 0 127.0.0.1:38737 127.0.0.1:4369 ESTABLISHED 1378/beam
says that beam process enables Erlang distributed protocol and connected to epmd daemon on 127.0.0.1:4369
. Also beam process waits for incoming connections on 0.0.0.0:33551
. This interface secured with Erlang cookies and rabbitmqctl
uses it to connect to RabbitMQ instance and manage it.
To make it able to accept connections only from localhost you can:
use
-kernel inet_dist_use_interface '{127,0,0,1}'
kernel configuration flag from shell or create my_rabbitmq.conf:[{kernel,[{inet_dist_use_interface,{127,0,0,1}}]}].
and use RabbitMQ environment variable to include it:
export RABBITMQ_CONFIG_FILE="/path/to/my_rabbitmq.conf"
to use configuration fileput in your
/etc/rabbitmq/rabbitmq.conf
export ERL_EPMD_ADDRESS=127.0.0.1
Erlang environment variable