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Port 11106 (sgi-lk)

IANA assigns port 11106 to sgi-lk: SGI LK Licensing service.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
sgi-lk TCP SGI LK Licensing service Michel Bourget -
sgi-lk UDP SGI LK Licensing service Michel Bourget -

Registry dates for this port: registered 2009-01-06.

Check what is listening on port 11106

Linux: is anything listening on TCP 11106?
sudo ss -tlnp 'sport = :11106'
Linux: UDP 11106
sudo ss -ulnp 'sport = :11106'
Linux / macOS: which process owns the port
sudo lsof -nP -i :11106
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':11106 '
Windows (Command Prompt)
netstat -ano | findstr :11106
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 11106 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 11106
From Windows
Test-NetConnection HOST -Port 11106
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 11106

Block port 11106 in the firewall

ufw
sudo ufw deny 11106/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 11106 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 11106 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 11106' -Direction Inbound -Protocol TCP -LocalPort 11106 -Action Block
ufw
sudo ufw deny 11106/udp
iptables
sudo iptables -A INPUT -p udp --dport 11106 -j DROP
nftables
sudo nft add rule inet filter input udp dport 11106 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 11106' -Direction Inbound -Protocol UDP -LocalPort 11106 -Action Block

Related ports

11104netapp-icmgmt11105netapp-icdata11108myq-termlink11109sgi-dmfmgr

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