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// Web

Port 10544: MOS SOAP Optional Port

Port 10544 is assigned by IANA to MOS-soap-opt (MOS SOAP Optional Port).

10544

How MOS-soap-opt works

Web
browser:10544MOS-soap-opt browser:10544MOS-soap-opt

A browser sends an HTTP request to port 10544 and the MOS-soap-opt server sends the page back.

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
Web
01 Security

Is port 10544 dangerous?

We have no specific security note for port 10544. Its risk depends on the program actually listening on it. General advice for web services:

  • Serve it over HTTPS only and check the HTTP security headers.
  • Keep admin consoles and development servers off the Internet.
  • Patch the application server and remove default credentials and sample apps.
02 Registry

IANA registry entries for port 10544

ServicePortTransportDescriptionReferenceUpdated
MOS-soap-opt 10544 TCP, UDP MOS SOAP Optional Port - 2007-09-17

// source: IANA service name and port number registry

03 Check it

Which program uses port 10544, and is it reachable?

Linux

sudo ss -ltnup 'sport = :10544'      # process listening on 10544
sudo lsof -nP -i :10544

macOS

sudo lsof -nP -i :10544

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 10544 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 10544
netstat -ano | findstr :10544

From another machine

nmap -p 10544 -sV <host>
sudo nmap -sU -p 10544 <host>
nc -zv <host> 10544

Block it in the firewall

sudo ufw deny 10544/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 10544" -Direction Inbound -LocalPort 10544 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 10544 used for?

Port 10544 is assigned by IANA to MOS-soap-opt (MOS SOAP Optional Port).

Is port 10544 TCP or UDP?

Port 10544 is registered for TCP and UDP.

Is it safe to open port 10544?

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. Serve it over HTTPS only and check the HTTP security headers.

How do I check if port 10544 is open?

On Linux run "ss -ltnup 'sport = :10544'", on macOS "lsof -nP -i :10544", and on Windows "netstat -ano | findstr :10544" to see the local process. From another machine, "nmap -p 10544 <host>" shows whether it is reachable.

05 Related
:443 HTTPS tcp · udp · sctp · low risk :80 HTTP tcp · udp · sctp · moderate risk :8080 HTTP alternate tcp · udp · high risk :8443 HTTPS alternate tcp · udp · moderate risk :3000 Dev servers / Grafana tcp · udp · moderate risk :5000 Flask / Docker registry / UPnP tcp · udp · moderate risk :8000 HTTP alternate (dev) tcp · udp · moderate risk :8888 Jupyter / HTTP alternate tcp · udp · high risk

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