CyberHunter
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// Other services

Port 9522: SMA Speedwire

Port 9522 is assigned by IANA to sma-spw (SMA Speedwire).

9522

How sma-spw works

Other services
client:9522sma-spwresponse client:9522sma-spwresponse

The client sends a request to port 9522 and the sma-spw service answers.

Transport
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 9522 dangerous?

We have no specific security note for port 9522. 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 9522

ServicePortTransportDescriptionReferenceUpdated
sma-spw 9522 UDP SMA Speedwire - 2011-03-08
-9522-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 9522, and is it reachable?

Linux

sudo ss -ltnup 'sport = :9522'      # process listening on 9522
sudo lsof -nP -i :9522

macOS

sudo lsof -nP -i :9522

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 9522 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 9522
netstat -ano | findstr :9522

From another machine

nmap -p 9522 -sV <host>
sudo nmap -sU -p 9522 <host>
nc -zv <host> 9522

Block it in the firewall

sudo ufw deny 9522/udp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 9522" -Direction Inbound -LocalPort 9522 -Protocol UDP -Action Block  # Windows
04 FAQ
What is port 9522 used for?

Port 9522 is assigned by IANA to sma-spw (SMA Speedwire).

Is port 9522 TCP or UDP?

Port 9522 is registered for UDP.

Is it safe to open port 9522?

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 9522 is open?

On Linux run "ss -ltnup 'sport = :9522'", on macOS "lsof -nP -i :9522", and on Windows "netstat -ano | findstr :9522" to see the local process. From another machine, "nmap -p 9522 <host>" shows whether it is reachable.

05 Related
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