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Port 9380 (boxp)

IANA assigns port 9380 to boxp: Brivs! Open Extensible Protocol.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
boxp TCP Brivs! Open Extensible Protocol Danko Alexeyev -
boxp UDP Brivs! Open Extensible Protocol Danko Alexeyev -

Registry dates for this port: registered 2007-08-08.

Check what is listening on port 9380

Linux: is anything listening on TCP 9380?
sudo ss -tlnp 'sport = :9380'
Linux: UDP 9380
sudo ss -ulnp 'sport = :9380'
Linux / macOS: which process owns the port
sudo lsof -nP -i :9380
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':9380 '
Windows (Command Prompt)
netstat -ano | findstr :9380
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 9380 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 9380
From Windows
Test-NetConnection HOST -Port 9380
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 9380

Block port 9380 in the firewall

ufw
sudo ufw deny 9380/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 9380 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 9380 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 9380' -Direction Inbound -Protocol TCP -LocalPort 9380 -Action Block
ufw
sudo ufw deny 9380/udp
iptables
sudo iptables -A INPUT -p udp --dport 9380 -j DROP
nftables
sudo nft add rule inet filter input udp dport 9380 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 9380' -Direction Inbound -Protocol UDP -LocalPort 9380 -Action Block

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