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Port 4447 (n1-rmgmt)

IANA assigns port 4447 to n1-rmgmt: N1-RMGMT.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
n1-rmgmt TCP N1-RMGMT Lori Tassin -
n1-rmgmt UDP N1-RMGMT Lori Tassin -

Check what is listening on port 4447

Linux: is anything listening on TCP 4447?
sudo ss -tlnp 'sport = :4447'
Linux: UDP 4447
sudo ss -ulnp 'sport = :4447'
Linux / macOS: which process owns the port
sudo lsof -nP -i :4447
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':4447 '
Windows (Command Prompt)
netstat -ano | findstr :4447
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 4447 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 4447
From Windows
Test-NetConnection HOST -Port 4447
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 4447

Block port 4447 in the firewall

ufw
sudo ufw deny 4447/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 4447 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 4447 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 4447' -Direction Inbound -Protocol TCP -LocalPort 4447 -Action Block
ufw
sudo ufw deny 4447/udp
iptables
sudo iptables -A INPUT -p udp --dport 4447 -j DROP
nftables
sudo nft add rule inet filter input udp dport 4447 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 4447' -Direction Inbound -Protocol UDP -LocalPort 4447 -Action Block

Related ports

4445upnotifyp4446n1-fwp4448asc-slmd4449privatewire

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