Port 4089OpenCORE Remote Control
OpenCORE Remote Control Service is a proprietary protocol used to remotely manage or control OpenCORE systems. This service typically facilitates command execution, system monitoring, and configuration management over the network, providing administrators with flexible remote access to OpenCORE-enabled devices. Though versatile, this port's open state represents both an asset and a risk, depending on how well it is secured..
- transport
- tcp · udp
- in transit
- cleartext
- assignment
- official
- risk
- 4/10
- lookups
- 7,370
2 transports registered
payload readable on path
registered with iana
caution
rank 694 of 993 · top 70%
Technical Details
what runs on :4089-
Overview: Port 4089 is associated with the OpenCORE Remote Control Service, which provides network-based remote control functionality for systems using the OpenCORE software platform. It allows clients to connect remotely to administer, configure, and monitor OpenCORE installations.
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Protocol Characteristics: The service typically listens on both TCP and UDP, facilitating reliable command transactions as well as lightweight control messages. Although primarily a proprietary protocol, it may integrate with standard authentication or encryption methods when configured. Common commands include issuing configuration changes, starting or stopping specific OpenCORE components, or retrieving system stats.
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Deployment Considerations: OpenCORE Remote Control Service is often utilized within controlled network zones or internal data centers. Exposing this service on untrusted networks without robust security controls can inadvertently provide threat actors with sensitive access.
Security Information
exposure of :4089risk score
4/ 10caution
worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.
remote access averages 4.0 across 110 ports — this one sits level with it.
in transit
cleartext
credentials and payloads are readable by anyone on path
assignment
official
registered with iana for this service — scanners fingerprint it by number
reachable over
tcp · udp
udp is connectionless — source addresses are trivially spoofed and it is a reflection favourite
security overview
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Common Vulnerabilities:
- Unauthorized access due to weak authentication or default credentials
- Unencrypted communication channels susceptible to interception or man-in-the-middle attacks
- Potential vulnerabilities within the OpenCORE Remote Control protocol that enable privilege escalation or remote code execution
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Mitigations:
- Enforce strong authentication and disable default/admin accounts where possible
- Utilize VPNs or SSH tunnels to secure communication if protocol encryption is absent
- Apply network segmentation and firewall rules to limit port exposure
- Keep OpenCORE software up-to-date with latest security patches
- Regularly audit remote access logs for unusual activity
Related Ports
the 8 most looked-up other ports in remote access — 110 ports carry that label.
| port | service | risk | |||
|---|---|---|---|---|---|
| :8000 | Intel Remote Desktop / Alternate HTTP Port | TCP | Web Services | safe | 84.3k |
| :8888 | D2GS Admin Console | TCP | Remote Access | caution | 83.7k |
| :8881 | Atlasz Secure Server | TCP | Web Services | caution | 67.6k |
| :5938 | TeamViewer | TCPUDP | Remote Access | caution | 65.0k |
| :8291 | Winbox MikroTik Admin | TCP | Security | caution | 62.9k |
| :8008 | IBM HTTP Server Admin | TCP | Web Services | caution | 58.3k |
| :135 | Microsoft EPMAP | TCPUDP | Security | caution | 51.9k |
| :23 | Telnet | TCP | Remote Access | caution | 34.8k |
risk mix of the 8 listed
- safe13%
- caution88%
0 of 8 encrypted