- 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.
Port 7871: Mobile Device Management
Port 7871 is assigned by IANA to mdm (Mobile Device Management).
How mdm works
Other servicesThe client sends a request to port 7871 and the mdm service answers.
- 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
- Other services
Is port 7871 dangerous?
We have no specific security note for port 7871. Its risk depends on the program actually listening on it. General advice for other services services:
IANA registry entries for port 7871
| Service | Port | Transport | Description | Reference | Updated |
|---|---|---|---|---|---|
| mdm | 7871 | TCP | Mobile Device Management | - | 2011-08-15 |
| - | 7871 | - | Reserved | - | - |
// source: IANA service name and port number registry
Which program uses port 7871, and is it reachable?
Linux
sudo ss -ltnup 'sport = :7871' # process listening on 7871
sudo lsof -nP -i :7871macOS
sudo lsof -nP -i :7871
Windows (PowerShell)
Get-NetTCPConnection -LocalPort 7871 -State Listen | Select LocalAddress, OwningProcess Get-NetUDPEndpoint -LocalPort 7871 netstat -ano | findstr :7871
From another machine
nmap -p 7871 -sV <host> nc -zv <host> 7871
Block it in the firewall
sudo ufw deny 7871/tcp # Linux (ufw) New-NetFirewallRule -DisplayName "Block 7871" -Direction Inbound -LocalPort 7871 -Protocol TCP -Action Block # Windows
What is port 7871 used for?
Port 7871 is assigned by IANA to mdm (Mobile Device Management).
Is port 7871 TCP or UDP?
Port 7871 is registered for TCP.
Is it safe to open port 7871?
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 7871 is open?
On Linux run "ss -ltnup 'sport = :7871'", on macOS "lsof -nP -i :7871", and on Windows "netstat -ano | findstr :7871" to see the local process. From another machine, "nmap -p 7871 <host>" shows whether it is reachable.