Port 28240
siemensgsm · TCP/UDP
| Range | Registered port (1024–49151) |
|---|---|
| Protocol | TCP/UDP |
| Service | siemensgsm |
| Registered | 2004-11 |
Frequently asked questions
What is port 28240 used for?
Port 28240 is registered with the IANA for siemensgsm (TCP/UDP). Description: Siemens GSM.
Is port 28240 a well-known port?
No. Port 28240 is in the range 1024–49151 (registered or user ports). Ordinary programs may open it without root privileges.
How do I check whether port 28240 is open?
Locally on Linux with ss -tulpn | grep ':28240\b', on Windows with netstat -ano | findstr :28240. To test a remote host use Test-NetConnection <host> -Port 28240 in PowerShell or nc -zv <host> 28240 on Linux/macOS.
How do I open port 28240 in the firewall?
Ubuntu/Debian (ufw): sudo ufw allow 28240/tcp. Fedora/RHEL (firewalld): sudo firewall-cmd --add-port=28240/tcp --permanent, then firewall-cmd --reload. Windows (PowerShell as administrator): New-NetFirewallRule -DisplayName "Port 28240" -Direction Inbound -Protocol TCP -LocalPort 28240 -Action Allow.
IANA registry entries
| Protocol | Service | Description (IANA) |
|---|---|---|
| TCP | siemensgsm | Siemens GSM |
| UDP | siemensgsm | Siemens GSM |