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Port 29000 (saltd-licensing)

IANA assigns port 29000 to saltd-licensing: Siemens Licensing Server.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
saltd-licensing TCP Siemens Licensing Server Siemens Digital Industries Software -

Registry dates for this port: registered 2020-06-08.

Check what is listening on port 29000

Linux: is anything listening on TCP 29000?
sudo ss -tlnp 'sport = :29000'
Linux / macOS: which process owns the port
sudo lsof -nP -i :29000
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':29000 '
Windows (Command Prompt)
netstat -ano | findstr :29000
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 29000 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 29000
From Windows
Test-NetConnection HOST -Port 29000

Block port 29000 in the firewall

ufw
sudo ufw deny 29000/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 29000 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 29000 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 29000' -Direction Inbound -Protocol TCP -LocalPort 29000 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.