Port (distributed environment)

Zookeeper: Zookeeper protocol on port 2181 (external),7181 (internal, between Zookeeper nodes), 8181 (internal, between Zookeeper nodes)

Zookeeper nodes communicate with each other on ports 7181 and 8181.

Zookeeper should only be accessible to Solr and Constellio services.

Solr : HTTP protocol on port 8983

Solr communicates with Zookeeper nodes on port 2181

Solr should only be accessible to the Constellio service

Constellio : HTTP or HTTPS protocol on port 80 or 443

Constellio communicates with the Zookeeper and Solr nodes on ports 2181 and 8983 (respectively)