CyberHunter
Local dataset, no network
// Other services

Port 8208: LM Webwatcher

Port 8208 is assigned by IANA to lm-webwatcher (LM Webwatcher).

8208

How lm-webwatcher works

Other services
client:8208lm-webwatcherresponse client:8208lm-webwatcherresponse

The client sends a request to port 8208 and the lm-webwatcher service answers.

Transport
TCP · UDP
Exposure risk
not rated depends on the program listening
Encryption
Unknownnot stated by the registry
IANA status
Assigned1 registered service
Range
Registered (1024-49151)
Category
Other services
01 Security

Is port 8208 dangerous?

We have no specific security note for port 8208. Its risk depends on the program actually listening on it. General advice for other services services:

  • Close the port if nothing on the host needs it.
  • Identify the process that listens on it (commands below) before opening it in a firewall.
  • Expose a service only to the networks that use it.
02 Registry

IANA registry entries for port 8208

ServicePortTransportDescriptionReferenceUpdated
lm-webwatcher 8208 TCP, UDP LM Webwatcher - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 8208, and is it reachable?

Linux

sudo ss -ltnup 'sport = :8208'      # process listening on 8208
sudo lsof -nP -i :8208

macOS

sudo lsof -nP -i :8208

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 8208 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 8208
netstat -ano | findstr :8208

From another machine

nmap -p 8208 -sV <host>
sudo nmap -sU -p 8208 <host>
nc -zv <host> 8208

Block it in the firewall

sudo ufw deny 8208/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 8208" -Direction Inbound -LocalPort 8208 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 8208 used for?

Port 8208 is assigned by IANA to lm-webwatcher (LM Webwatcher).

Is port 8208 TCP or UDP?

Port 8208 is registered for TCP and UDP.

Is it safe to open port 8208?

It depends on the program that listens on it. Open it only for a service you know and only to the networks that need it. Close the port if nothing on the host needs it.

How do I check if port 8208 is open?

On Linux run "ss -ltnup 'sport = :8208'", on macOS "lsof -nP -i :8208", and on Windows "netstat -ano | findstr :8208" to see the local process. From another machine, "nmap -p 8208 <host>" shows whether it is reachable.

05 Related
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