All ports
Port4913/TCP
lutcpPort
4913
Protocol
TCP
Category
Registered
Service
lutcp
What is port 4913?
Port 4913/TCP is a Registered port, registered with IANA for specific applications. It is associated with the lutcp service.
LUTher Control Protocol
Useful commands
nmapnmap -p 4913 -sV example.comnetcatnc -zv example.com 4913curlcurl -v http://example.com:4913/telnettelnet example.com 4913bash(echo > /dev/tcp/example.com/4913) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4913/tcpDeny
sudo ufw deny 4913/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 4913 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 4913 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4913/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4913" dir=in action=allow protocol=TCP localport=4913Security 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- Outdated versions with vulnerabilities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 4913/TCP?
Port 4913/TCP is associated with the lutcp service. LUTher Control Protocol
Is it safe to expose port 4913 to the Internet?
It depends on the service and configuration. Port 4913 (lutcp) 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 4913 is open?
You can use nmap: `nmap -p 4913 -sV example.com`, netcat: `nc -zv example.com 4913`, or the bash command: `(echo > /dev/tcp/example.com/4913) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4913 on my firewall?
On Linux with UFW: `sudo ufw allow 4913/tcp` (open) or `sudo ufw deny 4913/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 4913 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4913" dir=in action=allow protocol=TCP localport=4913`.
What applications and services use port 4913?
Port 4913/TCP is used by the lutcp service. Specific uses depend on the software and configuration. Check our related tools section for more information.