All ports
Port6786/TCP
smc-jmxPort
6786
Protocol
TCP
Category
Registered
Service
smc-jmx
What is port 6786?
Port 6786/TCP is a Registered port, registered with IANA for specific applications. It is associated with the smc-jmx service.
Sun Java Web Console JMX
Useful commands
nmapnmap -p 6786 -sV example.comnetcatnc -zv example.com 6786curlcurl -v http://example.com:6786/telnettelnet example.com 6786bash(echo > /dev/tcp/example.com/6786) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 6786/tcpDeny
sudo ufw deny 6786/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 6786 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 6786 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=6786/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 6786" dir=in action=allow protocol=TCP localport=6786Security 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- Outdated versions with vulnerabilities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 6786/TCP?
Port 6786/TCP is associated with the smc-jmx service. Sun Java Web Console JMX
Is it safe to expose port 6786 to the Internet?
It depends on the service and configuration. Port 6786 (smc-jmx) 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 6786 is open?
You can use nmap: `nmap -p 6786 -sV example.com`, netcat: `nc -zv example.com 6786`, or the bash command: `(echo > /dev/tcp/example.com/6786) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 6786 on my firewall?
On Linux with UFW: `sudo ufw allow 6786/tcp` (open) or `sudo ufw deny 6786/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 6786 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 6786" dir=in action=allow protocol=TCP localport=6786`.
What applications and services use port 6786?
Port 6786/TCP is used by the smc-jmx service. Specific uses depend on the software and configuration. Check our related tools section for more information.