Before installing the Transaction Finder plugin, ensure that the required ports are open on all network devices, switches, routers, and firewalls, and that no other applications are using these ports.
The following table lists the default port numbers.
| Application | Inbound* | Outbound* | Configurable | Port usage |
|---|---|---|---|---|
| Plugin REST API | 443 | - | Yes | Listen for incoming transactions from the parser. |
| Parser | - | 3999 | Yes | Communicate with the point-of-sale system. |
| Parser web server | - | 12000 | Yes | Web page used for configuring the parser. |
| Databases | - | 9200 | Yes | Communicate with Elasticsearch database nodes. NOTE: Port can be
modified from the elasticsearch.yml file.
|
* Inbound towards the plugin. Outbound from the plugin.