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Port 14001 (sua)

IANA assigns port 14001 to sua: SUA.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
sua TCP SUA Miguel Angel Garcia -
sua UDP De-Registered Miguel Angel Garcia -
sua SCTP SUA Miguel Angel Garcia -

Registry dates for this port: registered 2001-06-06.

Check what is listening on port 14001

Linux: is anything listening on TCP 14001?
sudo ss -tlnp 'sport = :14001'
Linux: UDP 14001
sudo ss -ulnp 'sport = :14001'
Linux / macOS: which process owns the port
sudo lsof -nP -i :14001
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':14001 '
Windows (Command Prompt)
netstat -ano | findstr :14001
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 14001 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 14001
From Windows
Test-NetConnection HOST -Port 14001
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 14001

Block port 14001 in the firewall

ufw
sudo ufw deny 14001/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 14001 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 14001 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 14001' -Direction Inbound -Protocol TCP -LocalPort 14001 -Action Block
ufw
sudo ufw deny 14001/udp
iptables
sudo iptables -A INPUT -p udp --dport 14001 -j DROP
nftables
sudo nft add rule inet filter input udp dport 14001 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 14001' -Direction Inbound -Protocol UDP -LocalPort 14001 -Action Block

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