Port 8208 (lm-webwatcher)

IANA assigns port 8208 to lm-webwatcher: LM Webwatcher.

Registered (user) port, 1024-49151 TCPUDP

IANA assignment

Service nameProtoDescriptionAssigneeReference

lm-webwatcher TCP LM Webwatcher Chris Flynn -

lm-webwatcher UDP LM Webwatcher Chris Flynn -

Linux: is anything listening on TCP 8208?

sudo ss -tlnp 'sport = :8208'

Linux: UDP 8208

sudo ss -ulnp 'sport = :8208'

Linux / macOS: which process owns the port

sudo lsof -nP -i :8208

Older Linux / BSD (net-tools)

sudo netstat -tlnp | grep ':8208 '

Windows (Command Prompt)

netstat -ano | findstr :8208

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 8208 -State Listen | Select LocalAddress,OwningProcess

From another machine

nc -vz -w 5 HOST 8208

From Windows

Test-NetConnection HOST -Port 8208

UDP probe (no reply does not prove it is closed)

nc -vzu -w 5 HOST 8208

ufw

sudo ufw deny 8208/tcp

iptables

sudo iptables -A INPUT -p tcp --dport 8208 -j DROP

nftables

sudo nft add rule inet filter input tcp dport 8208 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block TCP 8208' -Direction Inbound -Protocol TCP -LocalPort 8208 -Action Block

ufw

sudo ufw deny 8208/udp

iptables

sudo iptables -A INPUT -p udp --dport 8208 -j DROP

nftables

sudo nft add rule inet filter input udp dport 8208 drop

Windows Firewall

New-NetFirewallRule -DisplayName 'Block UDP 8208' -Direction Inbound -Protocol UDP -LocalPort 8208 -Action Block

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