Port 401UPS Services
Port 401 is primarily used by Uninterruptible Power Supply (UPS) management systems. These systems use the port to facilitate monitoring, configuration, and control of UPS devices over a network, enabling administrators to maintain power continuity and manage alerts related to power events..
- transport
- tcp · udp
- in transit
- cleartext
- assignment
- official
- risk
- 4/10
- lookups
- 5,675
2 transports registered
payload readable on path
registered with iana
caution
rank 863 of 993 · top 87%
Technical Details
what runs on :401Port 401 serves as a communication endpoint for network-enabled Uninterruptible Power Supplies (UPS). It facilitates the remote management of UPS devices, allowing IT administrators to gather real-time status information, perform scheduled maintenance, and configure system parameters without physical interaction. This communication typically occurs over TCP and UDP protocols to ensure reliable data transfer between UPS devices and management software.
UPS management protocols over port 401 can include proprietary or standardized implementations, often relying on simple message exchange to notify about power events, battery status, and device health. This persistent connectivity ensures rapid alerting for power fluctuations or failures, allowing for timely automated or manual response to protect connected hardware.
Additionally, the port supports firmware updates and advanced diagnostics, vital for enterprise environments where the loss of power can lead to critical disruptions. Integration with broader network monitoring solutions relies heavily on this port to centralize power infrastructure visibility, contributing to overall system resilience.
Security Information
exposure of :401risk 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 to UPS management interfaces leading to potential shutdowns or configuration changes.
- Exploitation of unpatched firmware vulnerabilities allowing attacker control.
- Man-in-the-middle attacks intercepting unencrypted communications.
- Denial-of-service (DoS) attacks targeting the port to disrupt monitoring and alert capabilities.
Common Mitigations:
- Restrict network access to trusted management hosts using strict firewall rules.
- Enable strong authentication and access controls on UPS management consoles.
- Regularly update UPS firmware to patch known security issues.
- Utilize network segmentation or VLANs to isolate management traffic.
- Implement encryption (where supported) to protect sensitive data in transit.
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risk mix of the 8 listed
- caution100%
0 of 8 encrypted