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// Web

Port 10125: HotLink CIMple REST API

Port 10125 is assigned by IANA to cimple (HotLink CIMple REST API).

10125

How cimple works

Web
browser:10125cimple browser:10125cimple

A browser sends an HTTP request to port 10125 and the cimple server sends the page back.

Transport
TCP
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 10125 dangerous?

We have no specific security note for port 10125. 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 10125

ServicePortTransportDescriptionReferenceUpdated
cimple 10125 TCP HotLink CIMple REST API - 2014-12-18
-10125-Reserved--

// source: IANA service name and port number registry

03 Check it

Which program uses port 10125, and is it reachable?

Linux

sudo ss -ltnup 'sport = :10125'      # process listening on 10125
sudo lsof -nP -i :10125

macOS

sudo lsof -nP -i :10125

Windows (PowerShell)

Get-NetTCPConnection -LocalPort 10125 -State Listen | Select LocalAddress, OwningProcess
Get-NetUDPEndpoint -LocalPort 10125
netstat -ano | findstr :10125

From another machine

nmap -p 10125 -sV <host>
nc -zv <host> 10125

Block it in the firewall

sudo ufw deny 10125/tcp                                         # Linux (ufw)
New-NetFirewallRule -DisplayName "Block 10125" -Direction Inbound -LocalPort 10125 -Protocol TCP -Action Block  # Windows
04 FAQ
What is port 10125 used for?

Port 10125 is assigned by IANA to cimple (HotLink CIMple REST API).

Is port 10125 TCP or UDP?

Port 10125 is registered for TCP.

Is it safe to open port 10125?

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 10125 is open?

On Linux run "ss -ltnup 'sport = :10125'", on macOS "lsof -nP -i :10125", and on Windows "netstat -ano | findstr :10125" to see the local process. From another machine, "nmap -p 10125 <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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