Port 4950Cylon UC32 Control

Port 4950 is designated for Cylon Controls UC32 communication, primarily used in building automation systems for managing HVAC and lighting via control network communications. It facilitates real-time data exchange and command transmission between central controllers and distributed devices to maintain optimal building operations..

transport
tcp · udp

2 transports registered

in transit
cleartext

payload readable on path

assignment
official

registered with iana

risk
4/10

caution

lookups
5,801

rank 851 of 993 · top 86%

Technical Details

what runs on :4950

Port 4950 is assigned to Cylon Controls, a manufacturer of intelligent building control systems. The UC32 product line uses this port as a dedicated communication channel between various devices such as programmable logic controllers (PLCs), input/output modules, and supervisory software. The communication generally involves proprietary protocols layered over TCP or UDP, facilitating efficient management of energy systems, environmental controls, and other smart infrastructure within commercial buildings.

The port enables bi-directional real-time data transfer, allowing the system controller to dispatch commands, receive sensor data, and adjust control loops dynamically. It typically operates within a local network environment but can also be configured for remote access, enabling facility managers to oversee and modify system parameters from external locations.

Given its function in automation frameworks, Port 4950 bears significance in maintaining service continuity and operational accuracy in interconnected control environments. Its implementation is often integrated with standardized fieldbus protocols and IP-based service interfaces to allow scalable and interoperable system architecture.

Security Information

exposure of :4950

risk score

4/ 10caution

worth attention. how exposed you are depends on configuration — don't leave it reachable from the internet without a reason.

network services averages 3.9 across 604 ports — this one sits 0.1 above.

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

Common vulnerabilities:

  • Unauthorized access due to default credentials or unencrypted transmissions
  • Exploitation of proprietary protocol flaws, potentially leading to control override or data manipulation
  • Man-in-the-middle (MITM) attacks capturing or modifying traffic between controllers and devices
  • Use in lateral movement within the network if improperly segmented

Common mitigations:

  • Enabling strong network segmentation and access controls to isolate control systems
  • Utilizing VPNs or secure tunneling when accessing the system remotely
  • Implementing application-layer encryption or secure protocols where possible
  • Regularly updating firmware and patching vulnerabilities in the UC32 system
  • Monitoring network traffic for anomalies indicative of unauthorized scanning or commands
  • Changing default credentials and enforcing strong password policies

the 8 most looked-up other ports in network services — 604 ports carry that label.

risk mix of the 8 listed

  • caution100%

0 of 8 encrypted