Loading...
4D Database Communication
Port 19813 is primarily utilized for communication between 4D database servers and their clients. It enables the exchange of data, execution of queries, and synchronization of application logic in environments where 4D is deployed for rapid database development and management..
Port 19813 serves as the primary conduit for client-server communication within the 4D database ecosystem. 4D, an integrated development environment and database platform, uses this port to transmit SQL queries, procedure calls, and data updates between clients and the backend server. This facilitates a seamless real-time user experience during data entry, retrieval, and manipulation.
The communication protocol over this port supports various functions including user authentication, transaction processing, table management, and application logic execution. Given 4D’s emphasis on rapid development, the port is optimized for interactive sessions where client applications require low-latency access to stored data while concurrently performing updates.
Typically, this port operates over TCP, ensuring reliable data transfer. It is designed primarily for internal network use within trusted environments or segments protected by network controls. Despite being largely unofficial in terms of IANA assignment, it is recognized within the 4D community as the standard port for this purpose.