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Port 15345 (xpilot)

IANA assigns port 15345 to xpilot: XPilot Contact Port.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
xpilot TCP XPilot Contact Port Bert Gijsbers -
xpilot UDP XPilot Contact Port Bert Gijsbers -

Check what is listening on port 15345

Linux: is anything listening on TCP 15345?
sudo ss -tlnp 'sport = :15345'
Linux: UDP 15345
sudo ss -ulnp 'sport = :15345'
Linux / macOS: which process owns the port
sudo lsof -nP -i :15345
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':15345 '
Windows (Command Prompt)
netstat -ano | findstr :15345
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 15345 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 15345
From Windows
Test-NetConnection HOST -Port 15345
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 15345

Block port 15345 in the firewall

ufw
sudo ufw deny 15345/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 15345 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 15345 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 15345' -Direction Inbound -Protocol TCP -LocalPort 15345 -Action Block
ufw
sudo ufw deny 15345/udp
iptables
sudo iptables -A INPUT -p udp --dport 15345 -j DROP
nftables
sudo nft add rule inet filter input udp dport 15345 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 15345' -Direction Inbound -Protocol UDP -LocalPort 15345 -Action Block

Related ports

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