All ports
Port9122/TCP
grcmpPort
9122
Protocol
TCP
Category
Registered
Service
grcmp
What is port 9122?
Port 9122/TCP is a Registered port, registered with IANA for specific applications. It is associated with the grcmp service.
Global Relay compliant mobile instant messaging protocol
Useful commands
nmapnmap -p 9122 -sV example.comnetcatnc -zv example.com 9122curlcurl -v http://example.com:9122/telnettelnet example.com 9122bash(echo > /dev/tcp/example.com/9122) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 9122/tcpDeny
sudo ufw deny 9122/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 9122 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 9122 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=9122/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 9122" dir=in action=allow protocol=TCP localport=9122Security 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- Outdated versions with vulnerabilities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 9122/TCP?
Port 9122/TCP is associated with the grcmp service. Global Relay compliant mobile instant messaging protocol
Is it safe to expose port 9122 to the Internet?
It depends on the service and configuration. Port 9122 (grcmp) 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 9122 is open?
You can use nmap: `nmap -p 9122 -sV example.com`, netcat: `nc -zv example.com 9122`, or the bash command: `(echo > /dev/tcp/example.com/9122) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 9122 on my firewall?
On Linux with UFW: `sudo ufw allow 9122/tcp` (open) or `sudo ufw deny 9122/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 9122 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 9122" dir=in action=allow protocol=TCP localport=9122`.
What applications and services use port 9122?
Port 9122/TCP is used by the grcmp service. Specific uses depend on the software and configuration. Check our related tools section for more information.