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Port 382 (hp-managed-node)

IANA assigns port 382 to hp-managed-node: hp performance data managed node.

Well-known (system) port, 0-1023 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
hp-managed-node TCP hp performance data managed node - -
hp-managed-node UDP hp performance data managed node - -

Check what is listening on port 382

Linux: is anything listening on TCP 382?
sudo ss -tlnp 'sport = :382'
Linux: UDP 382
sudo ss -ulnp 'sport = :382'
Linux / macOS: which process owns the port
sudo lsof -nP -i :382
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':382 '
Windows (Command Prompt)
netstat -ano | findstr :382
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 382 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 382
From Windows
Test-NetConnection HOST -Port 382
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 382

Block port 382 in the firewall

ufw
sudo ufw deny 382/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 382 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 382 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 382' -Direction Inbound -Protocol TCP -LocalPort 382 -Action Block
ufw
sudo ufw deny 382/udp
iptables
sudo iptables -A INPUT -p udp --dport 382 -j DROP
nftables
sudo nft add rule inet filter input udp dport 382 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 382' -Direction Inbound -Protocol UDP -LocalPort 382 -Action Block

Related ports

380is99s381hp-collector383hp-alarm-mgr384arns

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