CyberHunter
Local dataset, no network
// Other services

Port 26208: wnn6-ds

Port 26208 is assigned by IANA to wnn6-ds (wnn6-ds).

26208

How wnn6-ds works

Other services
client:26208wnn6-dsresponse client:26208wnn6-dsresponse

The client sends a request to port 26208 and the wnn6-ds 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 26208 dangerous?

We have no specific security note for port 26208. 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 26208

ServicePortTransportDescriptionReferenceUpdated
wnn6-ds 26208 TCP, UDP wnn6-ds - -

// source: IANA service name and port number registry

03 Check it

Which program uses port 26208, and is it reachable?

Linux

sudo ss -ltnup 'sport = :26208'      # process listening on 26208
sudo lsof -nP -i :26208

macOS

sudo lsof -nP -i :26208

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 26208 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 26208
netstat -ano | findstr :26208

From another machine

nmap -p 26208 -sV <host>
sudo nmap -sU -p 26208 <host>
nc -zv <host> 26208

Block it in the firewall

sudo ufw deny 26208/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 26208" -Direction Inbound -LocalPort 26208 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 26208 used for?

Port 26208 is assigned by IANA to wnn6-ds (wnn6-ds).

Is port 26208 TCP or UDP?

Port 26208 is registered for TCP and UDP.

Is it safe to open port 26208?

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 26208 is open?

On Linux run "ss -ltnup 'sport = :26208'", on macOS "lsof -nP -i :26208", and on Windows "netstat -ano | findstr :26208" to see the local process. From another machine, "nmap -p 26208 <host>" shows whether it is reachable.

05 Related
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