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Port 1572 (chip-lm)

IANA assigns port 1572 to chip-lm: Chipcom License Manager.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
chip-lm TCP Chipcom License Manager - -
chip-lm UDP Chipcom License Manager - -

Check what is listening on port 1572

Linux: is anything listening on TCP 1572?
sudo ss -tlnp 'sport = :1572'
Linux: UDP 1572
sudo ss -ulnp 'sport = :1572'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1572
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1572 '
Windows (Command Prompt)
netstat -ano | findstr :1572
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1572 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1572
From Windows
Test-NetConnection HOST -Port 1572
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1572

Block port 1572 in the firewall

ufw
sudo ufw deny 1572/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1572 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1572 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1572' -Direction Inbound -Protocol TCP -LocalPort 1572 -Action Block
ufw
sudo ufw deny 1572/udp
iptables
sudo iptables -A INPUT -p udp --dport 1572 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1572 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1572' -Direction Inbound -Protocol UDP -LocalPort 1572 -Action Block

Related ports

1570orbixd1571rdb-dbs-disp1573itscomm-ns1574mvel-lm

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