All ports
Port9306/TCP
sphinxqlPort
9306
Protocol
TCP
Category
Registered
Service
sphinxql
What is port 9306?
Port 9306/TCP is a Registered port, registered with IANA for specific applications. It is associated with the sphinxql service.
Sphinx search server (MySQL listener)
Useful commands
nmapnmap -p 9306 -sV example.comnetcatnc -zv example.com 9306curlcurl -v http://example.com:9306/telnettelnet example.com 9306bash(echo > /dev/tcp/example.com/9306) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 9306/tcpDeny
sudo ufw deny 9306/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 9306 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 9306 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=9306/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 9306" dir=in action=allow protocol=TCP localport=9306Security 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- Outdated versions with vulnerabilities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 9306/TCP?
Port 9306/TCP is associated with the sphinxql service. Sphinx search server (MySQL listener)
Is it safe to expose port 9306 to the Internet?
It depends on the service and configuration. Port 9306 (sphinxql) 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 9306 is open?
You can use nmap: `nmap -p 9306 -sV example.com`, netcat: `nc -zv example.com 9306`, or the bash command: `(echo > /dev/tcp/example.com/9306) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 9306 on my firewall?
On Linux with UFW: `sudo ufw allow 9306/tcp` (open) or `sudo ufw deny 9306/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 9306 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 9306" dir=in action=allow protocol=TCP localport=9306`.
What applications and services use port 9306?
Port 9306/TCP is used by the sphinxql service. Specific uses depend on the software and configuration. Check our related tools section for more information.