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Port 8206 (lm-dta)

IANA assigns port 8206 to lm-dta: LM Dta.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference
lm-dta TCP LM Dta Chris Flynn -
lm-dta UDP LM Dta Chris Flynn -

Check what is listening on port 8206

Linux: is anything listening on TCP 8206?
sudo ss -tlnp 'sport = :8206'
Linux: UDP 8206
sudo ss -ulnp 'sport = :8206'
Linux / macOS: which process owns the port
sudo lsof -nP -i :8206
Older Linux / BSD (net-tools)
sudo netstat -tlnp | grep ':8206 '
Windows (Command Prompt)
netstat -ano | findstr :8206
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 8206 -State Listen | Select LocalAddress,OwningProcess

Test it from outside

From another machine
nc -vz -w 5 HOST 8206
From Windows
Test-NetConnection HOST -Port 8206
UDP probe (no reply does not prove it is closed)
nc -vzu -w 5 HOST 8206

Block port 8206 in the firewall

ufw
sudo ufw deny 8206/tcp
iptables
sudo iptables -A INPUT -p tcp --dport 8206 -j DROP
nftables
sudo nft add rule inet filter input tcp dport 8206 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block TCP 8206' -Direction Inbound -Protocol TCP -LocalPort 8206 -Action Block
ufw
sudo ufw deny 8206/udp
iptables
sudo iptables -A INPUT -p udp --dport 8206 -j DROP
nftables
sudo nft add rule inet filter input udp dport 8206 drop
Windows Firewall
New-NetFirewallRule -DisplayName 'Block UDP 8206' -Direction Inbound -Protocol UDP -LocalPort 8206 -Action Block

Related ports

8204lm-perfworks8205lm-instmgr8207lm-sserver8208lm-webwatcher

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