All ports
Port28240/TCP
siemensgsmPort
28240
Protocol
TCP
Category
Registered
Service
siemensgsm
What is port 28240?
Port 28240/TCP is a Registered port, registered with IANA for specific applications. It is associated with the siemensgsm service.
Siemens GSM
Useful commands
nmapnmap -p 28240 -sV example.comnetcatnc -zv example.com 28240curlcurl -v http://example.com:28240/telnettelnet example.com 28240bash(echo > /dev/tcp/example.com/28240) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 28240/tcpDeny
sudo ufw deny 28240/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 28240 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 28240 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=28240/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 28240" dir=in action=allow protocol=TCP localport=28240Security Risks
- Unauthorized access to the service
- Data exposure if the service is unauthenticated
- Outdated versions with vulnerabilities
- Incorrect service configuration
Frequently Asked Questions
What service runs on port 28240/TCP?
Port 28240/TCP is associated with the siemensgsm service. Siemens GSM
Is it safe to expose port 28240 to the Internet?
It depends on the service and configuration. Port 28240 (siemensgsm) is a Registered port. If you need to expose it, keep the service updated, use strong authentication, and configure a firewall. It's always recommended to restrict access by IP when possible.
How do I check if port 28240 is open?
You can use nmap: `nmap -p 28240 -sV example.com`, netcat: `nc -zv example.com 28240`, or the bash command: `(echo > /dev/tcp/example.com/28240) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 28240 on my firewall?
On Linux with UFW: `sudo ufw allow 28240/tcp` (open) or `sudo ufw deny 28240/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 28240 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 28240" dir=in action=allow protocol=TCP localport=28240`.
What applications and services use port 28240?
Port 28240/TCP is used by the siemensgsm service. Specific uses depend on the software and configuration. Check our related tools section for more information.