Port 198144D DB4D Comm
The 4D database utilizes port 19814 for its native DB4D communication protocol. This service facilitates data exchange and commands between 4D client applications and the 4D database server, playing a crucial role in development environments and deployed database applications leveraging 4D technology..
- transport
- tcp
- in transit
- cleartext
- assignment
- unofficial
- risk
- 4/10
- lookups
- 7,988
single transport
payload readable on path
used by convention
caution
rank 637 of 993 · top 64%
Technical Details
what runs on :19814Port 19814 is used by 4D’s proprietary DB4D Communication protocol, enabling interaction between the 4D database server and its associated clients or middleware components. This protocol supports database operations, transaction management, and data synchronization, optimizing workflows in 4D development environments.
4D is a rapid application development environment and database system that tightly integrates database, programming language, and web services. Through port 19814, developers can connect client-side tools or services for running database queries, managing schema, and handling business logic embedded within 4D applications.
Typically, this communication is unencrypted, relying on performance benefits within trusted local networks. Advanced configurations can include authentication and access controls to help prevent unauthorized actions at the protocol level.
Security Information
exposure of :19814risk score
4/ 10caution
worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.
databases averages 4.0 across 58 ports — this one sits level with it.
in transit
cleartext
credentials and payloads are readable by anyone on path
assignment
unofficial
used by convention, not registered — what answers here varies by deployment
reachable over
tcp
every listening transport is another surface to filter at the edge
security overview
Common Vulnerabilities:
- Lack of encryption can expose sensitive query data and credentials over the network.
- If exposed beyond trusted network boundaries, attackers could attempt unauthorized access, data exfiltration, or denial of service.
- Potential flaws in proprietary protocol implementations could be leveraged for remote code execution or privilege escalation.
Common Mitigations:
- Restrict network access to port 19814 using firewalls—limit exposure to only necessary internal systems.
- Where possible, encapsulate communication within a secure VPN or tunnel encrypted connections.
- Employ strong authentication and regularly update access credentials.
- Keep the 4D server and clients up-to-date with security patches.
- Monitor network traffic for anomalous activities and implement intrusion detection systems.
Related Ports
the 8 most looked-up other ports in databases — 58 ports carry that label.
| port | service | risk | |||
|---|---|---|---|---|---|
| :8882 | Atlasz Secure App Server | TCP | Web Services | caution | 66.9k |
| :9001 | ETL Service Manager | TCPUDP | Databases | caution | 28.6k |
| :2484 | Oracle SSL Listener | TCPUDPtls | Security | caution | 25.0k |
| :5495 | Applix TM1 Admin | TCP | Databases | caution | 24.8k |
| :591 | FileMaker Web Sharing | TCP | Web Services | caution | 23.1k |
| :1521 | Oracle TNS Listener | TCP | Security | caution | 19.6k |
| :21001 | AMLFilter Admin | TCP | Security | caution | 19.2k |
| :18206 | Audition FAM DB | TCPUDP | Databases | caution | 19.1k |
risk mix of the 8 listed
- caution100%
1 of 8 encrypted