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Port 2381HP Insight Manager Web

Port 2381 is the default port used by HP Insight Manager's embedded web server interface. This management tool allows administrators to remotely monitor, control, and maintain Hewlett-Packard servers and hardware. Access via an HTTP-based browser interface simplifies system management and offers visibility into hardware status, configuration, and alerts..

inWeb ServicesNetwork ServicesSystem
transport
tcp

single transport

in transit
cleartext

payload readable on path

assignment
unofficial

used by convention

risk
4/10

caution

lookups
14,436

rank 236 of 993 · top 24%

Technical Details

what runs on :2381

HP Insight Manager was a widely-used server management platform provided by Hewlett-Packard for their ProLiant and BladeSystem servers. It offered a web-based interface accessible over port 2381, enabling IT administrators to perform tasks such as hardware monitoring, firmware updates, and system alerts through a centralized dashboard.

When connecting to port 2381, administrators interact with the embedded HP Management Agents or HP System Management Homepage (SMH). These components communicate directly with server hardware, reporting metrics like CPU temperature, memory status, storage health, and fan speeds. The data is typically presented in a user-friendly web interface, improving operational visibility and streamlining diagnostics.

Port 2381 traditionally uses HTTP, but can be configured to use HTTPS for encrypted management sessions. However, the default service configuration might run on unencrypted HTTP, which could potentially expose sensitive system details over the network unless properly secured. The service primarily relies on TCP connections and does not utilize SCTP.

Security Information

exposure of :2381

risk score

4/ 10caution

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

web services averages 3.9 across 112 ports — this one sits 0.1 above.

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 associated with HP Insight Manager on port 2381 include:

  • Exposure of sensitive management interfaces over unencrypted connections, leading to risks of credential interception (e.g., via sniffing)
  • Lack of strong authentication or outdated default credentials, making unauthorized administrative access possible
  • Exposure to software vulnerabilities in the management server software, such as remote code execution or privilege escalation flaws if not properly patched
  • Potential susceptibility to man-in-the-middle attacks if encryption is not enforced

Mitigations for these risks include:

  • Enforcing HTTPS with strong TLS configurations rather than plain HTTP to encrypt traffic
  • Changing default credentials and enforcing strong, complex passwords
  • Limiting access to management interfaces by applying network segmentation, firewall rules, or VPN access only for trusted administrators
  • Keeping HP Insight Management Agent and associated firmware up to date with latest security patches
  • Monitoring access logs regularly to detect suspicious activity or failed login attempts
  • Disabling the port externally and exposing it only within a secure management network whenever possible

Related Ports

all 112 in web services →

the 8 most looked-up other ports in web services — 112 ports carry that label.

portservicerisk
:8888Sun Answerbook & Alt HTTPcaution
:8000Intel Remote Desktop / Alternate HTTP Portsafe
:8888NewsEDGEcaution
:8888HTTP Alternative Portcaution
:8888GNUmp3d Streaming HTTPcaution
:9080Groove RPCcaution
:8881Atlasz Secure Servercaution
:80HTTPcaution

risk mix of the 8 listed

  • safe13%
  • caution88%

0 of 8 encrypted