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Port 1445 (proxima-lm)

IANA assigns port 1445 to proxima-lm: Proxima License Manager.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
proxima-lm TCP Proxima License Manager - -
proxima-lm UDP Proxima License Manager - -

Check what is listening on port 1445

Linux: is anything listening on TCP 1445?
sudo ss -tlnp 'sport = :1445'
Linux: UDP 1445
sudo ss -ulnp 'sport = :1445'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1445
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1445 '
Windows (Command Prompt)
netstat -ano | findstr :1445
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1445 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1445
From Windows
Test-NetConnection HOST -Port 1445
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1445

Block port 1445 in the firewall

ufw
sudo ufw deny 1445/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1445 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1445 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1445' -Direction Inbound -Protocol TCP -LocalPort 1445 -Action Block
ufw
sudo ufw deny 1445/udp
iptables
sudo iptables -A INPUT -p udp --dport 1445 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1445 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1445' -Direction Inbound -Protocol UDP -LocalPort 1445 -Action Block

Related ports

1443ies-lm1444marcam-lm1446ora-lm1447apri-lm

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