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Port 11367 (atm-uhas)

IANA assigns port 11367 to atm-uhas: ATM UHAS.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
atm-uhas TCP ATM UHAS Todd Barker -
atm-uhas UDP ATM UHAS Todd Barker -

Check what is listening on port 11367

Linux: is anything listening on TCP 11367?
sudo ss -tlnp 'sport = :11367'
Linux: UDP 11367
sudo ss -ulnp 'sport = :11367'
Linux / macOS: which process owns the port
sudo lsof -nP -i :11367
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':11367 '
Windows (Command Prompt)
netstat -ano | findstr :11367
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 11367 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 11367
From Windows
Test-NetConnection HOST -Port 11367
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 11367

Block port 11367 in the firewall

ufw
sudo ufw deny 11367/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 11367 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 11367 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 11367' -Direction Inbound -Protocol TCP -LocalPort 11367 -Action Block
ufw
sudo ufw deny 11367/udp
iptables
sudo iptables -A INPUT -p udp --dport 11367 -j DROP
nftables
sudo nft add rule inet filter input udp dport 11367 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 11367' -Direction Inbound -Protocol UDP -LocalPort 11367 -Action Block

Related ports

11320imip-channels11321arena-server11371hkp11430lsdp

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