Port 8100 – XPRINT-SERVER (Xprint Server)

Service:

xprint-server

Protocol:

TCP

Port:

8100

Used for:

Network printing service

Enumeration & Testing

Service Detection:

Terminal window
nmap -sV -p 8100

Web Interface Testing:

Terminal window
curl http://:8100 curl https://:8100

Ionic Development Server Testing:

Terminal window
curl http://:8100/ionic-lab

What to Look For

CheckpointWhat it means
Service versionIdentify software version and patch level
AuthenticationCheck for default or weak credentials
SSL/TLS configVerify encryption settings if applicable
Access controlsTest for proper authorization mechanisms

Mitigation

  • Keep software updated
    Apply latest security patches
  • Strong authentication
    Use complex passwords and 2FA
  • Access restrictions
    Limit service to trusted networks
  • Monitor activity
    Log and review service usage
  • Disable if unused
    Remove unnecessary services

TL;DR

  • Port 8100 = Xprint/Ionic development with printer management and mobile app security
  • Protocol: TCP
  • Used for: Network printing and mobile application development
  • Security focus: Printer security and development environment protection

Known CVEs and Exploits

  • CVE-2021-3918 - Exploitable in exposed Ionic/Node.js dev environments (common on port 8100).
  • CVE-2021-44228 - Worst-case scenario if Java apps (e.g., admin panels) run on this port.
  • CVE-2021-3438 - Critical for legacy printer interfaces (though rare on 8100).