All ports
Port6656/TCP
emgmsgPort
6656
Protocol
TCP
Category
Registered
Service
emgmsg
What is port 6656?
Port 6656/TCP is a Registered port, registered with IANA for specific applications. It is associated with the emgmsg service.
Emergency Message Control Service
Useful commands
nmapnmap -p 6656 -sV example.comnetcatnc -zv example.com 6656curlcurl -v http://example.com:6656/telnettelnet example.com 6656bash(echo > /dev/tcp/example.com/6656) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 6656/tcpDeny
sudo ufw deny 6656/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 6656 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 6656 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=6656/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 6656" dir=in action=allow protocol=TCP localport=6656Security 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- Outdated versions with vulnerabilities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 6656/TCP?
Port 6656/TCP is associated with the emgmsg service. Emergency Message Control Service
Is it safe to expose port 6656 to the Internet?
It depends on the service and configuration. Port 6656 (emgmsg) 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 6656 is open?
You can use nmap: `nmap -p 6656 -sV example.com`, netcat: `nc -zv example.com 6656`, or the bash command: `(echo > /dev/tcp/example.com/6656) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 6656 on my firewall?
On Linux with UFW: `sudo ufw allow 6656/tcp` (open) or `sudo ufw deny 6656/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 6656 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 6656" dir=in action=allow protocol=TCP localport=6656`.
What applications and services use port 6656?
Port 6656/TCP is used by the emgmsg service. Specific uses depend on the software and configuration. Check our related tools section for more information.