All ports
Port3437/TCP
autocuedsPort
3437
Protocol
TCP
Category
Registered
Service
autocueds
What is port 3437?
Port 3437/TCP is a Registered port, registered with IANA for specific applications. It is associated with the autocueds service.
Autocue Directory Service
Useful commands
nmapnmap -p 3437 -sV example.comnetcatnc -zv example.com 3437curlcurl -v http://example.com:3437/telnettelnet example.com 3437bash(echo > /dev/tcp/example.com/3437) 2>/dev/nullFirewall commands
UFWAllow
sudo ufw allow 3437/tcpDeny
sudo ufw deny 3437/tcpiptablesAllow
sudo iptables -A INPUT -p tcp --dport 3437 -j ACCEPTDeny
sudo iptables -D INPUT -p tcp --dport 3437 -j ACCEPTfirewalldAllow
sudo firewall-cmd --permanent --add-port=3437/tcpWindowsAllow
netsh advfirewall firewall add rule name="Open Port 3437" dir=in action=allow protocol=TCP localport=3437Security 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- Outdated versions with vulnerabilities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 3437/TCP?
Port 3437/TCP is associated with the autocueds service. Autocue Directory Service
Is it safe to expose port 3437 to the Internet?
It depends on the service and configuration. Port 3437 (autocueds) 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 3437 is open?
You can use nmap: `nmap -p 3437 -sV example.com`, netcat: `nc -zv example.com 3437`, or the bash command: `(echo > /dev/tcp/example.com/3437) 2>/dev/null && echo "Open" || echo "Closed"`.
How do I open or close port 3437 on my firewall?
On Linux with UFW: `sudo ufw allow 3437/tcp` (open) or `sudo ufw deny 3437/tcp` (close). With iptables: `sudo iptables -A INPUT -p tcp --dport 3437 -j ACCEPT`. On Windows: `netsh advfirewall firewall add rule name="Open Port 3437" dir=in action=allow protocol=TCP localport=3437`.
What applications and services use port 3437?
Port 3437/TCP is used by the autocueds service. Specific uses depend on the software and configuration. Check our related tools section for more information.