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Port 1427 (mloadd)

IANA assigns port 1427 to mloadd: mloadd monitoring tool.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
mloadd TCP mloadd monitoring tool Bob Braden 2 -
mloadd UDP mloadd monitoring tool Bob Braden 2 -

Check what is listening on port 1427

Linux: is anything listening on TCP 1427?
sudo ss -tlnp 'sport = :1427'
Linux: UDP 1427
sudo ss -ulnp 'sport = :1427'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1427
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1427 '
Windows (Command Prompt)
netstat -ano | findstr :1427
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1427 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1427
From Windows
Test-NetConnection HOST -Port 1427
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1427

Block port 1427 in the firewall

ufw
sudo ufw deny 1427/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1427 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1427 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1427' -Direction Inbound -Protocol TCP -LocalPort 1427 -Action Block
ufw
sudo ufw deny 1427/udp
iptables
sudo iptables -A INPUT -p udp --dport 1427 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1427 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1427' -Direction Inbound -Protocol UDP -LocalPort 1427 -Action Block

Related ports

1425zion-lm1426sais1428informatik-lm1429nms

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