All ports
Port4912/TCP
lutapPort
4912
Protocol
TCP
Category
Registered
Service
lutap
What is port 4912?
Port 4912/TCP is a Registered port, registered with IANA for specific applications. It is associated with the lutap service.
Technicolor LUT Access Protocol
Useful commands
nmapnmap -p 4912 -sV example.comnetcatnc -zv example.com 4912curlcurl -v http://example.com:4912/telnettelnet example.com 4912bash(echo > /dev/tcp/example.com/4912) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 4912/tcpDeny
sudo ufw deny 4912/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 4912 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 4912 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=4912/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 4912" dir=in action=allow protocol=TCP localport=4912Security 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- Outdated versions with vulnerabilities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 4912/TCP?
Port 4912/TCP is associated with the lutap service. Technicolor LUT Access Protocol
Is it safe to expose port 4912 to the Internet?
It depends on the service and configuration. Port 4912 (lutap) 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 4912 is open?
You can use nmap: `nmap -p 4912 -sV example.com`, netcat: `nc -zv example.com 4912`, or the bash command: `(echo > /dev/tcp/example.com/4912) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 4912 on my firewall?
On Linux with UFW: `sudo ufw allow 4912/tcp` (open) or `sudo ufw deny 4912/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 4912 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 4912" dir=in action=allow protocol=TCP localport=4912`.
What applications and services use port 4912?
Port 4912/TCP is used by the lutap service. Specific uses depend on the software and configuration. Check our related tools section for more information.