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Port 29169 (iuhsctpassoc)

IANA assigns port 29169 to iuhsctpassoc: HNBAP and RUA Common Association.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
iuhsctpassoc SCTP HNBAP and RUA Common Association Dongwook Kim -

Registry dates for this port: registered 2009-09-08, last modified 2026-01-23.

Check what is listening on port 29169

Linux: is anything listening on TCP 29169?
sudo ss -tlnp 'sport = :29169'
Linux / macOS: which process owns the port
sudo lsof -nP -i :29169
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':29169 '
Windows (Command Prompt)
netstat -ano | findstr :29169
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 29169 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 29169
From Windows
Test-NetConnection HOST -Port 29169

Block port 29169 in the firewall

ufw
sudo ufw deny 29169/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 29169 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 29169 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 29169' -Direction Inbound -Protocol TCP -LocalPort 29169 -Action Block

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All port numbers · Open port checker
Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.