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// Other services

Port 5358: WS for Devices Secured

Port 5358 is assigned by IANA to wsdapi-s (WS for Devices Secured).

5358

How wsdapi-s works

Other services
client:5358wsdapi-sresponse client:5358wsdapi-sresponse

The client sends a request to port 5358 and the wsdapi-s 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 5358 dangerous?

We have no specific security note for port 5358. 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 5358

ServicePortTransportDescriptionReferenceUpdated
wsdapi-s 5358 TCP, UDP WS for Devices Secured - 2005-08

// source: IANA service name and port number registry

03 Check it

Which program uses port 5358, and is it reachable?

Linux

sudo ss -ltnup 'sport = :5358'      # process listening on 5358
sudo lsof -nP -i :5358

macOS

sudo lsof -nP -i :5358

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 5358 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 5358
netstat -ano | findstr :5358

From another machine

nmap -p 5358 -sV <host>
sudo nmap -sU -p 5358 <host>
nc -zv <host> 5358

Block it in the firewall

sudo ufw deny 5358/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 5358" -Direction Inbound -LocalPort 5358 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 5358 used for?

Port 5358 is assigned by IANA to wsdapi-s (WS for Devices Secured).

Is port 5358 TCP or UDP?

Port 5358 is registered for TCP and UDP.

Is it safe to open port 5358?

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 5358 is open?

On Linux run "ss -ltnup 'sport = :5358'", on macOS "lsof -nP -i :5358", and on Windows "netstat -ano | findstr :5358" to see the local process. From another machine, "nmap -p 5358 <host>" shows whether it is reachable.

05 Related
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