HTTPfy

Port 2447 (ovwdb)

IANA assigns port 2447 to ovwdb: OpenView NNM daemon.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ovwdb TCP OpenView NNM daemon Eric Pulsipher 2 -
ovwdb UDP OpenView NNM daemon Eric Pulsipher 2 -

Check what is listening on port 2447

Linux: is anything listening on TCP 2447?
sudo ss -tlnp 'sport = :2447'
Linux: UDP 2447
sudo ss -ulnp 'sport = :2447'
Linux / macOS: which process owns the port
sudo lsof -nP -i :2447
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':2447 '
Windows (Command Prompt)
netstat -ano | findstr :2447
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 2447 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 2447
From Windows
Test-NetConnection HOST -Port 2447
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 2447

Block port 2447 in the firewall

ufw
sudo ufw deny 2447/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 2447 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 2447 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 2447' -Direction Inbound -Protocol TCP -LocalPort 2447 -Action Block
ufw
sudo ufw deny 2447/udp
iptables
sudo iptables -A INPUT -p udp --dport 2447 -j DROP
nftables
sudo nft add rule inet filter input udp dport 2447 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 2447' -Direction Inbound -Protocol UDP -LocalPort 2447 -Action Block

Related ports

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