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Port 1579 (ioc-sea-lm)

IANA assigns port 1579 to ioc-sea-lm.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
ioc-sea-lm TCP ioc-sea-lm Paul Nelson -
ioc-sea-lm UDP ioc-sea-lm Paul Nelson -

Check what is listening on port 1579

Linux: is anything listening on TCP 1579?
sudo ss -tlnp 'sport = :1579'
Linux: UDP 1579
sudo ss -ulnp 'sport = :1579'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1579
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1579 '
Windows (Command Prompt)
netstat -ano | findstr :1579
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1579 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1579
From Windows
Test-NetConnection HOST -Port 1579
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1579

Block port 1579 in the firewall

ufw
sudo ufw deny 1579/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1579 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1579 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1579' -Direction Inbound -Protocol TCP -LocalPort 1579 -Action Block
ufw
sudo ufw deny 1579/udp
iptables
sudo iptables -A INPUT -p udp --dport 1579 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1579 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1579' -Direction Inbound -Protocol UDP -LocalPort 1579 -Action Block

Related ports

1577hypercube-lm1578jacobus-lm1580tn-tl-r1, tn-tl-r21581mil-2045-47001

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