Port 5450OSIsoft PI System Client

Port 5450 is utilized by the OSIsoft PI System to facilitate secure and efficient communication between PI Server and client applications. It enables data access, collection, and management functionalities key for real-time industrial data analytics and storage, widely used in sectors like manufacturing, utilities, and energy for process data monitoring..

transport
tcp

single transport

in transit
cleartext

payload readable on path

assignment
unofficial

used by convention

risk
4/10

caution

lookups
14,340

rank 241 of 993 · top 24%

Technical Details

what runs on :5450

Port 5450 is primarily used for client-server communication within the OSIsoft PI System architecture. The PI Server acts as a central repository for real-time and historical process data, gathered from numerous industrial devices and control systems. Client applications rely on this port to query data, configure system elements, and perform administration tasks remotely.

The communication over this port typically involves proprietary protocols optimized for transmitting large volumes of time-series data, supporting functions such as data retrieval, system configuration, security management, and real-time monitoring. These communications are fundamental in enabling industries to gain operational insights, improve process efficiency, and make data-driven decisions.

Given that this port bridges critical infrastructure data flows, it interfaces with various components like PI Data Archive, PI Asset Framework, and data connectors or interfaces collecting data from PLCs, SCADA systems, and DCS units. Its robust design is meant to ensure consistent availability, low latency, and scalability across enterprise deployments.

Security Information

exposure of :5450

risk 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:

  • Unauthorized access due to lack of stringent authentication controls can lead to data leaks or manipulation.
  • Exposure to man-in-the-middle attacks if data transmission isn’t encrypted, potentially compromising sensitive operational data.
  • Exploitation of service management functions may allow attackers to disrupt data flows or corrupt system configuration.

Common Mitigations:

  • Employ strong authentication mechanisms such as multi-factor authentication and role-based access controls to restrict access.
  • Enable network encryption like TLS where supported to protect data in transit over port 5450.
  • Implement network segmentation and host-based firewalls to limit client access to trusted sources only.
  • Regularly patch PI System components and monitor network traffic for anomalies indicative of exploitation attempts.
  • Audit access logs to detect suspicious activities and enforce principle of least privilege on all interacting accounts.

the 8 most looked-up other ports in databases — 58 ports carry that label.

risk mix of the 8 listed

  • caution100%

1 of 8 encrypted