Port 7871
mdm · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | mdm |
| Registered | 2011-08-15 |
Frequently asked questions
What is port 7871 used for?
Port 7871 is registered with the IANA for mdm (TCP/UDP). Description: Mobile Device Management; Reserved.
Is port 7871 a well-known port?
No. Port 7871 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 7871 is open?
Locally on Linux with ss -tulpn | grep ':7871\b', on Windows with netstat -ano | findstr :7871. To test a remote host use Test-NetConnection <host> -Port 7871 in PowerShell or nc -zv <host> 7871 on Linux/macOS.
How do I open port 7871 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 7871/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=7871/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 7871" -Direction Inbound -Protocol TCP -LocalPort 7871 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | mdm | Mobile Device Management |
| UDP | – | Reserved |