Port 5550HP Data Protector

Hewlett-Packard Data Protector (HPDP) is a comprehensive automated backup and recovery software solution primarily used in enterprise IT environments to safeguard data across servers, applications, and storage devices. Port 5550 facilitates agent communication and management tasks, enabling streamlined backup schedules, recovery operations, and monitoring..

transport
tcp

single transport

in transit
cleartext

payload readable on path

assignment
unofficial

used by convention

risk
5/10

caution

lookups
8,158

rank 617 of 993 · top 62%

Technical Details

what runs on :5550

Hewlett-Packard Data Protector uses port 5550 predominantly for internal communication between the Data Protector Cell Manager and its agents. The Cell Manager coordinates backup and restore operations across multiple servers, employing this port to dispatch commands, exchange status updates, and manage backup media. Communication on this port typically involves control messages and metadata exchanges rather than direct high-volume data transfer.

HPDP supports a variety of backup mediums — including disk, tape, and cloud storage providers — enabling flexible data protection strategies. Integration with major enterprise applications (like Oracle, Microsoft Exchange, and SAP) allows consistent backups of application data, with port 5550 ensuring proper scheduling and status communication.

Although primarily a TCP port, occasionally ancillary tools or integrations might attempt to use other protocols, but the principal operation is TCP-based control messaging. Since SCTP is seldom used in backup software solutions, this port is not SCTP enabled by default.

Security Information

exposure of :5550

risk score

5/ 10caution

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

file transfer averages 4.1 across 114 ports — this one sits 0.9 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 related to this port stem from poor authentication or lack of encryption, which could allow attackers to intercept commands or alter backup operations, potentially resulting in data loss, unauthorized data access, or even destructive modifications. Threats include brute-force attacks on management interfaces, exploitation of unpatched remote code execution vulnerabilities, and man-in-the-middle interceptions.

Mitigations include restricting network access to trusted segments or VLANs, employing host-based firewalls to control which IPs can connect, keeping Data Protector components updated with the latest security patches, and enabling encrypted communication channels where supported. Additionally, strong authentication policies and monitoring for abnormal access patterns can further reduce risks associated with exposure on port 5550.

the 8 most looked-up other ports in file transfer — 114 ports carry that label.

risk mix of the 8 listed

  • caution100%

1 of 8 encrypted