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Port 1058IBM AIX NIM

IBM AIX Network Installation Manager (NIM) is a tool that facilitates the deployment, configuration, and management of IBM AIX operating system images across multiple networked systems, greatly simplifying large-scale installations and updates..

inNetwork ServicesSystemCloud
transport
tcp · udp

2 transports registered

in transit
cleartext

payload readable on path

assignment
official

registered with iana

risk
4/10

caution

lookups
13,465

rank 271 of 993 · top 27%

Technical Details

what runs on :1058

IBM's Network Installation Manager (NIM) is a specialized management tool designed to automate the installation and maintenance of IBM AIX operating systems across networked environments. Using NIM, administrators can quickly deploy OS images, perform updates, configure system parameters, and conduct efficient system recovery operations, all over the network. It supports both push and pull installation models, giving flexibility to adapt to the specific deployment scenarios.

Technically, NIM utilizes a client-server architecture, where a central NIM master server manages installation resources such as software bundles, configuration scripts, and system images. Client machines connect to the master and can be bootstrapped using network protocols like TFTP, RSH, or SSH. Communication typically occurs over TCP and UDP ports such as 1058, which facilitates control commands, status reporting, and the transfer of installation data between the master and clients.

Due to its ability to manage many hosts simultaneously, NIM is an essential tool in large enterprise environments running AIX. The design streamlines operating system lifecycle management, reduces manual intervention, minimizes human error, and ensures consistency across deployments. It integrates with IBM Power hardware platform provisioning, further simplifying data center operations.

Security Information

exposure of :1058

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 if NIM services are improperly secured, potentially allowing attackers to deploy rogue images or extract sensitive configuration data.
  • Man-in-the-middle attacks during network communication, especially if traffic is unencrypted, enabling data interception or manipulation.
  • Exploitation of misconfigured NIM clients to pivot into broader network segments.

Common Mitigations:

  • Implement strict network segmentation and firewall rules to restrict NIM port (1058) access only to trusted hosts.
  • Use strong authentication controls on the NIM master and clients, leveraging SSH where possible rather than unsecured protocols.
  • Regularly update and patch AIX environments to mitigate known vulnerabilities related to NIM components.
  • Monitor NIM server activity logs to detect suspicious access patterns or unauthorized deployment attempts.

Related Ports

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risk mix of the 8 listed

  • caution100%

0 of 8 encrypted