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Port 570 (meter)

IANA assigns port 570 to meter: demon.

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

IANA assignment

Service nameProtoDescriptionAssigneeReference
meter TCP demon - -
meter UDP demon - -

Check what is listening on port 570

Linux: is anything listening on TCP 570?
sudo ss -tlnp 'sport = :570'
Linux: UDP 570
sudo ss -ulnp 'sport = :570'
Linux / macOS: which process owns the port
sudo lsof -nP -i :570
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':570 '
Windows (Command Prompt)
netstat -ano | findstr :570
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 570 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 570
From Windows
Test-NetConnection HOST -Port 570
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 570

Block port 570 in the firewall

ufw
sudo ufw deny 570/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 570 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 570 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 570' -Direction Inbound -Protocol TCP -LocalPort 570 -Action Block
ufw
sudo ufw deny 570/udp
iptables
sudo iptables -A INPUT -p udp --dport 570 -j DROP
nftables
sudo nft add rule inet filter input udp dport 570 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 570' -Direction Inbound -Protocol UDP -LocalPort 570 -Action Block

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