Port 8101 (ldoms-migr)

IANA assigns port 8101 to ldoms-migr: Logical Domains Migration.

Registered (user) port, 1024-49151 TCP

IANA assignment

Service nameProtoDescriptionAssigneeReference

ldoms-migr TCP Logical Domains Migration Liam Merwick -

Registry dates for this port: registered 2009-01-16.

Linux: is anything listening on TCP 8101?

sudo ss -tlnp 'sport = :8101'

Linux / macOS: which process owns the port

sudo lsof -nP -i :8101

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':8101 '

Windows (Command Prompt)

netstat -ano | findstr :8101

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 8101 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 8101

From Windows

Test-NetConnection HOST -Port 8101

ufw

sudo ufw deny 8101/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 8101 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 8101 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 8101' -Direction Inbound -Protocol TCP -LocalPort 8101 -Action Block

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Assignment data: IANA port number registry (public domain), retrieved 2026-11-10.