Port 5405NetSupport Manager

NetSupport Manager is a popular remote control and management tool used across enterprise and educational environments for device monitoring, support, and classroom control. It facilitates seamless screen sharing, file transfers, messaging, and device management, streamlining administrative workflows and problem resolution..

transport
tcp · udp

2 transports registered

in transit
cleartext

payload readable on path

assignment
official

registered with iana

risk
4/10

caution

lookups
9,274

rank 518 of 993 · top 52%

Technical Details

what runs on :5405

Overview: NetSupport Manager is a comprehensive multi-platform remote control solution that allows administrators to provide real-time support, management, monitoring, and collaboration across local and wide area networks. It leverages both TCP and UDP protocols via port 5405 as part of its communication stack.

Functionality: Typically, port 5405 is used for initiating remote management sessions, data communication, client discovery, and command execution. The software supports remote desktop viewing, file transfers, chat, inventory collection, and multi-device control, making it effective in IT support and classroom training scenarios.

Protocols and Compatibility: NetSupport Manager supports numerous platforms including Windows, macOS, Linux, and mobile devices, integrating with existing network infrastructures. Communication primarily occurs over TCP/UDP port 5405, but additional ports can be configured or required depending on deployment scale and specific features.

Security Information

exposure of :5405

risk score

4/ 10caution

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

remote access averages 4.0 across 110 ports — this one sits level with it.

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 default credentials are not changed or if strong authentication is not enforced
  • Possible exploitation by attackers to gain remote desktop or file access if ports are exposed to the internet
  • Vulnerability to man-in-the-middle attacks if communications are unencrypted
  • Risk of lateral movement within a network via compromised hosts

Common Mitigations:

  • Enforce strong authentication and change default passwords
  • Limit exposure by restricting port 5405 to internal or trusted networks via firewall rules
  • Enable encryption features if available in NetSupport Manager
  • Utilize network segmentation to isolate management networks
  • Regularly update and patch the software to address security vulnerabilities
  • Monitor remote access logs and network activity for anomalies

the 8 most looked-up other ports in remote access — 110 ports carry that label.

risk mix of the 8 listed

  • safe13%
  • caution88%

0 of 8 encrypted