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// Other services

Port 29169: HNBAP and RUA Common Association

Port 29169 is assigned by IANA to iuhsctpassoc (HNBAP and RUA Common Association).

29169

How iuhsctpassoc works

Other services
client:29169iuhsctpassocresponse client:29169iuhsctpassocresponse

The client sends a request to port 29169 and the iuhsctpassoc service answers.

Transport
SCTP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 29169 dangerous?

We have no specific security note for port 29169. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 29169

ServicePortTransportDescriptionReferenceUpdated
iuhsctpassoc 29169 SCTP HNBAP and RUA Common Association - 2026-01-23

// source: IANA service name and port number registry

03 Check it

Which program uses port 29169, and is it reachable?

Linux

sudo ss -ltnup 'sport = :29169'      # process listening on 29169
sudo lsof -nP -i :29169

macOS

sudo lsof -nP -i :29169

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 29169 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 29169
netstat -ano | findstr :29169

From another machine

nmap -p 29169 -sV <host>
nc -zv <host> 29169

Block it in the firewall

sudo ufw deny 29169/sctp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 29169" -Direction Inbound -LocalPort 29169 -Protocol SCTP -Action Block  # Windows
04 FAQ
What is port 29169 used for?

Port 29169 is assigned by IANA to iuhsctpassoc (HNBAP and RUA Common Association).

Is port 29169 TCP or UDP?

Port 29169 is registered for SCTP.

Is it safe to open port 29169?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.

How do I check if port 29169 is open?

On Linux run "ss -ltnup 'sport = :29169'", on macOS "lsof -nP -i :29169", and on Windows "netstat -ano | findstr :29169" to see the local process. From another machine, "nmap -p 29169 <host>" shows whether it is reachable.

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