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Port 1140 (autonoc)

IANA assigns port 1140 to autonoc: AutoNOC Network Operations Protocol.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
autonoc TCP AutoNOC Network Operations Protocol Kyle Lussier -
autonoc UDP AutoNOC Network Operations Protocol Kyle Lussier -

Registry dates for this port: registered 2005-12.

Check what is listening on port 1140

Linux: is anything listening on TCP 1140?
sudo ss -tlnp 'sport = :1140'
Linux: UDP 1140
sudo ss -ulnp 'sport = :1140'
Linux / macOS: which process owns the port
sudo lsof -nP -i :1140
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':1140 '
Windows (Command Prompt)
netstat -ano | findstr :1140
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 1140 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 1140
From Windows
Test-NetConnection HOST -Port 1140
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 1140

Block port 1140 in the firewall

ufw
sudo ufw deny 1140/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 1140 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 1140 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 1140' -Direction Inbound -Protocol TCP -LocalPort 1140 -Action Block
ufw
sudo ufw deny 1140/udp
iptables
sudo iptables -A INPUT -p udp --dport 1140 -j DROP
nftables
sudo nft add rule inet filter input udp dport 1140 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 1140' -Direction Inbound -Protocol UDP -LocalPort 1140 -Action Block

Related ports

1138encrypted-admin, encrypted_admin1139evm1141mxomss1142edtools

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