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Port 11173 (t5-straton)

IANA assigns port 11173 to t5-straton: Straton Runtime Programing.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference
t5-straton TCP Straton Runtime Programing COPALP -

Registry dates for this port: registered 2012-03-01.

Check what is listening on port 11173

Linux: is anything listening on TCP 11173?
sudo ss -tlnp 'sport = :11173'
Linux / macOS: which process owns the port
sudo lsof -nP -i :11173
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':11173 '
Windows (Command Prompt)
netstat -ano | findstr :11173
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 11173 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 11173
From Windows
Test-NetConnection HOST -Port 11173

Block port 11173 in the firewall

ufw
sudo ufw deny 11173/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 11173 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 11173 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 11173' -Direction Inbound -Protocol TCP -LocalPort 11173 -Action Block

Related ports

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